How to Add Money to Venmo Card Instantly (2022)? In sandbox

Venmo +1 (808)465-4649

Adding money to the Venmo app is easy and instant. If you’re wondering how to add cash to a Venmo debit card then here is the way.

Step 1. Open the Venmo app and then click on the Menu button from the top left-hand corner.
Step 2. Click on the Manage balance tab from the top portion of the Menu.
Step 3. Click to add money.
Step 4. If you know the sum of money you would like to add, enter it and then click on the Done tab.
Step 5. Now choose the bank account from where you would be adding the money and then click on the Next button.
Step 6. Review your entire entered information, and then click on the Submit button.

The transaction would be done within three to five business days.

How to add money to Venmo Card at ATM?

Currently, there is only one way to add money to the Venmo card through Venmo App. There is no way to add physical cash to the Venmo account. But there is a way. You can link the bank account or debit card to Venmo and transfer money directly.

Add cash to the bank account that is linked to Venmo and deposit that cash at the Bank ATM. Then make a payment through Venmo using that linked bank account or account debit card. Venmo allows you to add four cards at a time. So, add your Venmo card to the Venmo application and transfer money from a linked bank account to ATM.

Adding money to a Venmo card via the ATM or bank can be done in the following ways:

Select the profile icon on the Venmo app
Tap on the Setting option
Then click on Payment methods
Next, tap on the option “Add Bank or Card.”
Tap on the bank
Follow the verification method

Now you can go to the linked Bank account and enter the amount manually. Confirm the amount, and you can transfer money from your bank account to your Venmo balance at ATM. Now to add a card to the Venmo app, you have to choose “Card” instead of “Bank”.

How to load money to Venmo Card at Walmart?

Currently, there is no such way by which you can add money to your Venmo card at Walmart. The only way to load cash on a Venmo card is through the Venmo balance directly.

The Users can use the app balance application to add money to the Venmo card. In this case, you have to follow the below steps:

Open your Venmo app
Tap on the Menu, which will be at the top left corner
Then tap on the “Manage Balance” option
Tap the “Add Money” option
Enter the money and tap on “Next.”
Review all the credentials before transfer
After revision. Tap on “Add Money”

Note: once you take the final step, there will be no way to cancel the transaction. One more thing to remember is that, at this time, the Venmo users who already have Venmo Mastercard Debit Card can avail of the option “Add Money” from the verified and linked bank account to their Venmo balance.

How do I add money to Venmo Card in Store?

Be you in-store or at Bank, at this time, you can add money by transferring your Venmo balance to your Venmo debit card. Venmo Mastercard Debit Card offers an option “reload”. On the other hand, Venmo Debit card purchase is funded by your Venmo Balance. So, when you enable the option “Reload”, you can add money to the Venmo card from your Venmo balance in-store. With this option, Venmo Balance will automatically pull funds from the linked bank account by incurring charges of $10 on the total purchase amount.

So,

Just open your Venmo app
Go to the Venmo Card
Tap the card image and check the option “Reload.”

In that case, you have to make sure that your linked bank account has sufficient money to pull out and add to the Venmo card.

Despite this process, you can follow the usual way to add money to the Venmo card. You must go to the “Add Money” option, enter the transfer amount, tap the “next” button, and confirm the transfer.

How to Put money to Card from Venmo balance?

You cannot transfer money from Venmo Balance to a credit card, but you can do it with your Venmo Debit Card. Venmo users can utilize the instant transfer option to move money from their Venmo account to specific bank accounts or approved Visa and Mastercard debit cards, usually within 30 minutes. Each transfer is subject to a 1.75 percent fee, with a minimum fee of $0.25 and a maximum fee of $25.

If you are on the Venmo app, then follow the steps:

Go to the “Me” tab
Then click o “Add or Transfer”, which will be under your profile picture
Choose the option “Instant” (1.75% or a minimum of $0.25 to a maximum of $25 will be charged)
You can also choose the option “1-3 biz days” if you want to avoid paying extra charges

This is how you can add money to your card through Venmo balance.

Locations to add money to Venmo Card

Currently, suppose you are being approved for a Venmo Mastercard or Debit Card. In that case, you have the opportunity to add money directly to your Venmo balance from a verified bank account.

Add a bank account to your Venmo profile and confirm it if you haven’t previously. So, currently, if you are thinking of adding money to your Venmo Card, you may either use the Venmo balance or the “Reload” option.

For both of the cases, you have to go to

Me option where you have to tap on the option “Manage Balance.”
Then either you can enter the amount you want to add to the Venmo balance through the linked account and tap “Next.”
Confirm the bank account and amount of the Money
Confirm yes

You can enable the “Reload” option
Then select the mode of money transfer from a linked bank account to a Venmo balance

Note: Venmo sets up a limit on reloading the dollar value to the Venmo card.

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How to Add Money to Venmo Card Instantly (2022)? In sandbox

Dev Express

1610107146

WHAT IS A TWITTER CARD - TYPES AND USES

The Twitter card is a facility provided by Twitter for its user to share their photos, videos, articles, blogs, and media in a more eye-catching way. The Twitter card is something that allows you to share your media beyond the limit of 280 characters, to some extent.

READ MORE

#twitter card #what is twitter card #types of twitter card #summary card #summary card with large image #player card

Reggie Hudson

1650607320

How to Add Money To Venmo Account in 2022

Learn how to add money to venmo account in 2022.

In this video, I will show you how to link a bank account to Venmo in this step by step tutorial. First you need to go to your profile. Then select settings. Them go to payment methods. Add a bank account or debit card

#Venmo #card

Cortney jacklyn

1608807115

Why Business Cards Printing are essential for your business

No matter how technological advancement helps in communication but business card printing still worth it. Most businesses prefer to have and share business cards to develop a direct relationship with the potential market. It is an important part of the promotional and branding strategy and effectively described the brand’s nature. It gives ease in sharing the business-related information in the public like at conference, workshops and other.

This is image title

Moreover, a quality visiting card printing online provides the impression of products or services. According to the random research, it is stated that most of the customers draw the conclusion about the business and its products from the card quality or its printing. So, a smart business card with the right size and content is essential for the business.

Here are the factors that will help to understand the importance of the business card in the brand promotion or more:

Provide Contact Details:

One of the main reasons behind business card printing is the contact sharing features. The card contains contact details, name, logo, and other related information that helps the client to reach the business. Further, it helps to describe the brand or product nature before approaching the product or services. Other than the technology usage or sharing of the information through devices, business cards are most suitable and a handy item that worth a lot for the customers.

This is image title

The impression of the Brand:

The business card is a source that will deliver the first impression of the brand or business towards the potential buyers. It is something handy with the physical touch that develops a direct relationship with the potential market. While going to print business cards that quality, printing style, and overall outlook matters a lot. Because it works as the first impression of the business and its product or services for the potential market. So, the worthy card made with durable material and have an attractive color combination or layout can capture the interest easily.

It contains the company logo, name, design, and color combination that quickly attain the interest of the audience. On other hand, it is an important factor to pay attention to while making the designing and printing decision about the business card.

Direct Marketing Facility:

No doubt there are multiple marketing and promotional tools are available for the product or business promotion. But engraved business cards online is something incredible and handy that provide the physical touch experience. It works as the marketing or promotional element that helps in sharing the details directly to the potential market. With the more physical interaction that the business cards offer to the buyers and business.

The important thing that has to be considered in making the custom business cards, related to the content adjustment, design, and color combination. It helps to capture the buyer’s interest and deliver the right impression towards them.

This is image title

Appreciated in Different Cultures:

The business cards preferably deliver the right knowledge and impression about the product or services. It described the brand position, nature of the products or services, and other relevant skills. In most cultures, it is appreciated to have and share physical business cards as an information-sharing tool. In face-to-face interaction, develops a network and promotes sharing the business information in a circle.

Ease to Provide a Business Reference:

In business cards, online people find multiple opportunities in designing and Printing Services with a significant impression. It helps to make an easy referral related to particular services and a person with a skill set. The business car not only contains the address, contact information, or brand-related knowledge. It provides details about the particular person and reflects the skill set. Multiple factors truly help to describe the right impression of the brand through color, text, and images.

A tool to Develop Trust:

For business growth and development, it is important to gain the trust level of the customers. With the custom business cards, it is easier to attain the trust of the customers. in the competitive business atmosphere for a business survival trust is the only key, that can be over the product or on a company as well. Through the business card, it is easier to exchange and share personal warmth feelings.

With Business Cards Printing, it is easier to show more graphical representation through colors and design. Moreover, with the physical touch, it is easier to give trust feelings or more.

This is image title

Final Consideration!

In the competitive business world, the business card is a source to deliver information and capture the interest of potential buyers. It helps to impress the audience and provide relevant product details and skills that build trust or act as the direct promotional tool.

#business cards printing #visiting card printing online #go print business cards #engraved business cards online #custom business cards #business cards online

Connor Mills

1670560264

Understanding Arrays in Python

Learn how to use Python arrays. Create arrays in Python using the array module. You'll see how to define them and the different methods commonly used for performing operations on them.

The artcile covers arrays that you create by importing the array module. We won't cover NumPy arrays here.

Introduction to Arrays
1. The differences between Lists and Arrays
2. When to use arrays
How to use arrays
1. Define arrays
2. Find the length of arrays
3. Array indexing
4. Search through arrays
5. Loop through arrays
6. Slice an array
Array methods for performing operations
1. Change an existing value
2. Add a new value
3. Remove a value
Conclusion

Let's get started!

What are Python Arrays?

Arrays are a fundamental data structure, and an important part of most programming languages. In Python, they are containers which are able to store more than one item at the same time.

Specifically, they are an ordered collection of elements with every value being of the same data type. That is the most important thing to remember about Python arrays - the fact that they can only hold a sequence of multiple items that are of the same type.

What's the Difference between Python Lists and Python Arrays?

Lists are one of the most common data structures in Python, and a core part of the language.

Lists and arrays behave similarly.

Just like arrays, lists are an ordered sequence of elements.

They are also mutable and not fixed in size, which means they can grow and shrink throughout the life of the program. Items can be added and removed, making them very flexible to work with.

However, lists and arrays are not the same thing.

Lists store items that are of various data types. This means that a list can contain integers, floating point numbers, strings, or any other Python data type, at the same time. That is not the case with arrays.

As mentioned in the section above, arrays store only items that are of the same single data type. There are arrays that contain only integers, or only floating point numbers, or only any other Python data type you want to use.

When to Use Python Arrays

Lists are built into the Python programming language, whereas arrays aren't. Arrays are not a built-in data structure, and therefore need to be imported via the array module in order to be used.

Arrays of the array module are a thin wrapper over C arrays, and are useful when you want to work with homogeneous data.

They are also more compact and take up less memory and space which makes them more size efficient compared to lists.

If you want to perform mathematical calculations, then you should use NumPy arrays by importing the NumPy package. Besides that, you should just use Python arrays when you really need to, as lists work in a similar way and are more flexible to work with.

How to Use Arrays in Python

In order to create Python arrays, you'll first have to import the array module which contains all the necassary functions.

There are three ways you can import the array module:

By using import array at the top of the file. This includes the module array. You would then go on to create an array using array.array().

import array

#how you would create an array
array.array()

Instead of having to type array.array() all the time, you could use import array as arr at the top of the file, instead of import array alone. You would then create an array by typing arr.array(). The arr acts as an alias name, with the array constructor then immediately following it.

import array as arr

#how you would create an array
arr.array()

Lastly, you could also use from array import *, with * importing all the functionalities available. You would then create an array by writing the array() constructor alone.

from array import *

#how you would create an array
array()

How to Define Arrays in Python

Once you've imported the array module, you can then go on to define a Python array.

The general syntax for creating an array looks like this:

variable_name = array(typecode,[elements])

Let's break it down:

variable_name would be the name of the array.
The typecode specifies what kind of elements would be stored in the array. Whether it would be an array of integers, an array of floats or an array of any other Python data type. Remember that all elements should be of the same data type.
Inside square brackets you mention the elements that would be stored in the array, with each element being separated by a comma. You can also create an empty array by just writing variable_name = array(typecode) alone, without any elements.

Below is a typecode table, with the different typecodes that can be used with the different data types when defining Python arrays:

TYPECODE	C TYPE	PYTHON TYPE	SIZE
'b'	signed char	int	1
'B'	unsigned char	int	1
'u'	wchar_t	Unicode character	2
'h'	signed short	int	2
'H'	unsigned short	int	2
'i'	signed int	int	2
'I'	unsigned int	int	2
'l'	signed long	int	4
'L'	unsigned long	int	4
'q'	signed long long	int	8
'Q'	unsigned long long	int	8
'f'	float	float	4
'd'	double	float	8

Tying everything together, here is an example of how you would define an array in Python:

import array as arr 

numbers = arr.array('i',[10,20,30])


print(numbers)

#output

#array('i', [10, 20, 30])

Let's break it down:

First we included the array module, in this case with import array as arr .
Then, we created a numbers array.
We used arr.array() because of import array as arr .
Inside the array() constructor, we first included i, for signed integer. Signed integer means that the array can include positive and negative values. Unsigned integer, with H for example, would mean that no negative values are allowed.
Lastly, we included the values to be stored in the array in square brackets.

Keep in mind that if you tried to include values that were not of i typecode, meaning they were not integer values, you would get an error:

import array as arr 

numbers = arr.array('i',[10.0,20,30])


print(numbers)

#output

#Traceback (most recent call last):
# File "/Users/dionysialemonaki/python_articles/demo.py", line 14, in <module>
#   numbers = arr.array('i',[10.0,20,30])
#TypeError: 'float' object cannot be interpreted as an integer

In the example above, I tried to include a floating point number in the array. I got an error because this is meant to be an integer array only.

Another way to create an array is the following:

from array import *

#an array of floating point values
numbers = array('d',[10.0,20.0,30.0])

print(numbers)

#output

#array('d', [10.0, 20.0, 30.0])

The example above imported the array module via from array import * and created an array numbers of float data type. This means that it holds only floating point numbers, which is specified with the 'd' typecode.

How to Find the Length of an Array in Python

To find out the exact number of elements contained in an array, use the built-in len() method.

It will return the integer number that is equal to the total number of elements in the array you specify.

import array as arr 

numbers = arr.array('i',[10,20,30])


print(len(numbers))

#output
# 3

In the example above, the array contained three elements – 10, 20, 30 – so the length of numbers is 3.

Array Indexing and How to Access Individual Items in an Array in Python

Each item in an array has a specific address. Individual items are accessed by referencing their index number.

Indexing in Python, and in all programming languages and computing in general, starts at 0. It is important to remember that counting starts at 0 and not at 1.

To access an element, you first write the name of the array followed by square brackets. Inside the square brackets you include the item's index number.

The general syntax would look something like this:

array_name[index_value_of_item]

Here is how you would access each individual element in an array:

import array as arr 

numbers = arr.array('i',[10,20,30])

print(numbers[0]) # gets the 1st element
print(numbers[1]) # gets the 2nd element
print(numbers[2]) # gets the 3rd element

#output

#10
#20
#30

Remember that the index value of the last element of an array is always one less than the length of the array. Where n is the length of the array, n - 1 will be the index value of the last item.

Note that you can also access each individual element using negative indexing.

With negative indexing, the last element would have an index of -1, the second to last element would have an index of -2, and so on.

Here is how you would get each item in an array using that method:

import array as arr 

numbers = arr.array('i',[10,20,30])

print(numbers[-1]) #gets last item
print(numbers[-2]) #gets second to last item
print(numbers[-3]) #gets first item
 
#output

#30
#20
#10

How to Search Through an Array in Python

You can find out an element's index number by using the index() method.

You pass the value of the element being searched as the argument to the method, and the element's index number is returned.

import array as arr 

numbers = arr.array('i',[10,20,30])

#search for the index of the value 10
print(numbers.index(10))

#output

#0

If there is more than one element with the same value, the index of the first instance of the value will be returned:

import array as arr 


numbers = arr.array('i',[10,20,30,10,20,30])

#search for the index of the value 10
#will return the index number of the first instance of the value 10
print(numbers.index(10))

#output

#0

How to Loop through an Array in Python

You've seen how to access each individual element in an array and print it out on its own.

You've also seen how to print the array, using the print() method. That method gives the following result:

import array as arr 

numbers = arr.array('i',[10,20,30])

print(numbers)

#output

#array('i', [10, 20, 30])

What if you want to print each value one by one?

This is where a loop comes in handy. You can loop through the array and print out each value, one-by-one, with each loop iteration.

For this you can use a simple for loop:

import array as arr 

numbers = arr.array('i',[10,20,30])

for number in numbers:
    print(number)
    
#output
#10
#20
#30

You could also use the range() function, and pass the len() method as its parameter. This would give the same result as above:

import array as arr  

values = arr.array('i',[10,20,30])

#prints each individual value in the array
for value in range(len(values)):
    print(values[value])

#output

#10
#20
#30

How to Slice an Array in Python

To access a specific range of values inside the array, use the slicing operator, which is a colon :.

When using the slicing operator and you only include one value, the counting starts from 0 by default. It gets the first item, and goes up to but not including the index number you specify.


import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#get the values 10 and 20 only
print(numbers[:2])  #first to second position

#output

#array('i', [10, 20])

When you pass two numbers as arguments, you specify a range of numbers. In this case, the counting starts at the position of the first number in the range, and up to but not including the second one:

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])


#get the values 20 and 30 only
print(numbers[1:3]) #second to third position

#output

#rray('i', [20, 30])

Methods For Performing Operations on Arrays in Python

Arrays are mutable, which means they are changeable. You can change the value of the different items, add new ones, or remove any you don't want in your program anymore.

Let's see some of the most commonly used methods which are used for performing operations on arrays.

How to Change the Value of an Item in an Array

You can change the value of a specific element by speficying its position and assigning it a new value:

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#change the first element
#change it from having a value of 10 to having a value of 40
numbers[0] = 40

print(numbers)

#output

#array('i', [40, 20, 30])

How to Add a New Value to an Array

To add one single value at the end of an array, use the append() method:

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#add the integer 40 to the end of numbers
numbers.append(40)

print(numbers)

#output

#array('i', [10, 20, 30, 40])

Be aware that the new item you add needs to be the same data type as the rest of the items in the array.

Look what happens when I try to add a float to an array of integers:

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#add the integer 40 to the end of numbers
numbers.append(40.0)

print(numbers)

#output

#Traceback (most recent call last):
#  File "/Users/dionysialemonaki/python_articles/demo.py", line 19, in <module>
#   numbers.append(40.0)
#TypeError: 'float' object cannot be interpreted as an integer

But what if you want to add more than one value to the end an array?

Use the extend() method, which takes an iterable (such as a list of items) as an argument. Again, make sure that the new items are all the same data type.

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#add the integers 40,50,60 to the end of numbers
#The numbers need to be enclosed in square brackets

numbers.extend([40,50,60])

print(numbers)

#output

#array('i', [10, 20, 30, 40, 50, 60])

And what if you don't want to add an item to the end of an array? Use the insert() method, to add an item at a specific position.

The insert() function takes two arguments: the index number of the position the new element will be inserted, and the value of the new element.

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

#add the integer 40 in the first position
#remember indexing starts at 0

numbers.insert(0,40)

print(numbers)

#output

#array('i', [40, 10, 20, 30])

How to Remove a Value from an Array

To remove an element from an array, use the remove() method and include the value as an argument to the method.

import array as arr 

#original array
numbers = arr.array('i',[10,20,30])

numbers.remove(10)

print(numbers)

#output

#array('i', [20, 30])

With remove(), only the first instance of the value you pass as an argument will be removed.

See what happens when there are more than one identical values:


import array as arr 

#original array
numbers = arr.array('i',[10,20,30,10,20])

numbers.remove(10)

print(numbers)

#output

#array('i', [20, 30, 10, 20])

Only the first occurence of 10 is removed.

You can also use the pop() method, and specify the position of the element to be removed:

import array as arr 

#original array
numbers = arr.array('i',[10,20,30,10,20])

#remove the first instance of 10
numbers.pop(0)

print(numbers)

#output

#array('i', [20, 30, 10, 20])

Conclusion

And there you have it - you now know the basics of how to create arrays in Python using the array module. Hopefully you found this guide helpful.

You'll start from the basics and learn in an interacitve and beginner-friendly way. You'll also build five projects at the end to put into practice and help reinforce what you learned.

Thanks for reading and happy coding!

Original article source at https://www.freecodecamp.org

#python

Rui Silva

1641884883

Como anexar A Uma Lista Ou Matriz Em Python Como Um Profissional

Neste artigo, você aprenderá sobre o .append()método em Python. Você também verá como .append()difere de outros métodos usados para adicionar elementos a listas.

Vamos começar!

O que são listas em Python? Uma definição para iniciantes

Uma matriz na programação é uma coleção ordenada de itens e todos os itens precisam ser do mesmo tipo de dados.

No entanto, ao contrário de outras linguagens de programação, os arrays não são uma estrutura de dados embutida no Python. Em vez de arrays tradicionais, o Python usa listas.

Listas são essencialmente arrays dinâmicos e são uma das estruturas de dados mais comuns e poderosas em Python.

Você pode pensar neles como contêineres ordenados. Eles armazenam e organizam tipos semelhantes de dados relacionados juntos.

Os elementos armazenados em uma lista podem ser de qualquer tipo de dados.

Pode haver listas de inteiros (números inteiros), listas de floats (números de ponto flutuante), listas de strings (texto) e listas de qualquer outro tipo de dados interno do Python.

Embora seja possível que as listas contenham apenas itens do mesmo tipo de dados, elas são mais flexíveis do que as matrizes tradicionais. Isso significa que pode haver uma variedade de tipos de dados diferentes dentro da mesma lista.

As listas têm 0 ou mais itens, o que significa que também pode haver listas vazias. Dentro de uma lista também pode haver valores duplicados.

Os valores são separados por uma vírgula e colocados entre colchetes, [].

Como criar listas em Python

Para criar uma nova lista, primeiro dê um nome à lista. Em seguida, adicione o operador de atribuição ( =) e um par de colchetes de abertura e fechamento. Dentro dos colchetes, adicione os valores que você deseja que a lista contenha.

#create a new list of names
names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

#print the list to the console
print(names)

#output
#['Jimmy', 'Timmy', 'Kenny', 'Lenny']

Como as listas são indexadas em Python

As listas mantêm uma ordem para cada item.

Cada item na coleção tem seu próprio número de índice, que você pode usar para acessar o próprio item.

Índices em Python (e em qualquer outra linguagem de programação moderna) começam em 0 e aumentam para cada item da lista.

Por exemplo, a lista criada anteriormente tinha 4 valores:

names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

O primeiro valor na lista, "Jimmy", tem um índice de 0.

O segundo valor na lista, "Timmy", tem um índice de 1.

O terceiro valor na lista, "Kenny", tem um índice de 2.

O quarto valor na lista, "Lenny", tem um índice de 3.

Para acessar um elemento na lista por seu número de índice, primeiro escreva o nome da lista, depois entre colchetes escreva o inteiro do índice do elemento.

Por exemplo, se você quisesse acessar o elemento que tem um índice de 2, você faria:

names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

print(names[2])

#output
#Kenny

Listas em Python são mutáveis

Em Python, quando os objetos são mutáveis , significa que seus valores podem ser alterados depois de criados.

As listas são objetos mutáveis, portanto, você pode atualizá-las e alterá-las depois de criadas.

As listas também são dinâmicas, o que significa que podem crescer e diminuir ao longo da vida de um programa.

Os itens podem ser removidos de uma lista existente e novos itens podem ser adicionados a uma lista existente.

Existem métodos internos para adicionar e remover itens de listas.

Por exemplo, para add itens, há as .append(), .insert()e .extend()métodos.

Para remove itens, há as .remove(), .pop()e .pop(index)métodos.

O que o `.append()`método faz?

O .append()método adiciona um elemento adicional ao final de uma lista já existente.

A sintaxe geral se parece com isso:

list_name.append(item)

Vamos decompô-lo:

list_name é o nome que você deu à lista.
.append()é o método de lista para adicionar um item ao final de list_name.
item é o item individual especificado que você deseja adicionar.

Ao usar .append(), a lista original é modificada. Nenhuma nova lista é criada.

Se você quiser adicionar um nome extra à lista criada anteriormente, faça o seguinte:

names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

#add the name Dylan to the end of the list
names.append("Dylan")

print(names)

#output
#['Jimmy', 'Timmy', 'Kenny', 'Lenny', 'Dylan']

Qual é a diferença entre os métodos `.append()`e `.insert()`?

A diferença entre os dois métodos é que .append()adiciona um item ao final de uma lista, enquanto .insert()insere um item em uma posição especificada na lista.

Como você viu na seção anterior, .append()irá adicionar o item que você passar como argumento para a função sempre no final da lista.

Se você não quiser apenas adicionar itens ao final de uma lista, poderá especificar a posição com a qual deseja adicioná-los .insert().

A sintaxe geral fica assim:

list_name.insert(position,item)

Vamos decompô-lo:

list_name é o nome da lista.
.insert() é o método de lista para inserir um item em uma lista.
positioné o primeiro argumento para o método. É sempre um número inteiro - especificamente é o número de índice da posição onde você deseja que o novo item seja colocado.
itemé o segundo argumento para o método. Aqui você especifica o novo item que deseja adicionar à lista.

Por exemplo, digamos que você tenha a seguinte lista de linguagens de programação:

programming_languages = ["JavaScript", "Java", "C++"]

print(programming_languages)

#output
#['JavaScript', 'Java', 'C++']

Se você quisesse inserir "Python" no início da lista, como um novo item da lista, você usaria o .insert()método e especificaria a posição como 0. (Lembre-se de que o primeiro valor em uma lista sempre tem um índice de 0.)

programming_languages = ["JavaScript", "Java", "C++"]

programming_languages.insert(0, "Python")

print(programming_languages)

#output
#['Python', 'JavaScript', 'Java', 'C++']

Se, em vez disso, você quisesse que "JavaScript" fosse o primeiro item da lista e, em seguida, adicionasse "Python" como o novo item, você especificaria a posição como 1:

programming_languages = ["JavaScript", "Java", "C++"]

programming_languages.insert(1,"Python")

print(programming_languages)

#output
#['JavaScript', 'Python', 'Java', 'C++']

O .insert()método oferece um pouco mais de flexibilidade em comparação com o .append()método que apenas adiciona um novo item ao final da lista.

Qual é a diferença entre os métodos `.append()`e `.extend()`?

E se você quiser adicionar mais de um item a uma lista de uma só vez, em vez de adicioná-los um de cada vez?

Você pode usar o .append()método para adicionar mais de um item ao final de uma lista.

Digamos que você tenha uma lista que contém apenas duas linguagens de programação:

programming_languages = ["JavaScript", "Java"]

print(programming_languages)

#output
#['JavaScript', 'Java']

Você então deseja adicionar mais dois idiomas, no final dele.

Nesse caso, você passa uma lista contendo os dois novos valores que deseja adicionar, como argumento para .append():

programming_languages = ["JavaScript", "Java"]

#add two new items to the end of the list
programming_languages.append(["Python","C++"])

print(programming_languages)

#output
#['JavaScript', 'Java', ['Python', 'C++']]

Se você observar mais de perto a saída acima, ['JavaScript', 'Java', ['Python', 'C++']], verá que uma nova lista foi adicionada ao final da lista já existente.

Então, .append() adiciona uma lista dentro de uma lista .

Listas são objetos, e quando você usa .append()para adicionar outra lista em uma lista, os novos itens serão adicionados como um único objeto (item).

Digamos que você já tenha duas listas, assim:

names = ["Jimmy", "Timmy"]
more_names = ["Kenny", "Lenny"]

E se você quiser combinar o conteúdo de ambas as listas em uma, adicionando o conteúdo de more_namesa names?

Quando o .append()método é usado para essa finalidade, outra lista é criada dentro de names:

names = ["Jimmy", "Timmy"]
more_names = ["Kenny", "Lenny"]

#add contents of more_names to names
names.append(more_names)

print(names)

#output
#['Jimmy', 'Timmy', ['Kenny', 'Lenny']]

Então, .append()adiciona os novos elementos como outra lista, anexando o objeto ao final.

Para realmente concatenar (adicionar) listas e combinar todos os itens de uma lista para outra , você precisa usar o .extend()método.

A sintaxe geral fica assim:

list_name.extend(iterable/other_list_name)

Vamos decompô-lo:

list_name é o nome de uma das listas.
.extend() é o método para adicionar todo o conteúdo de uma lista a outra.
iterablepode ser qualquer iterável, como outra lista, por exemplo, another_list_name. Nesse caso, another_list_nameé uma lista que será concatenada com list_name, e seu conteúdo será adicionado um a um ao final de list_name, como itens separados.

Então, tomando o exemplo anterior, quando .append()for substituído por .extend(), a saída ficará assim:

names = ["Jimmy", "Timmy"]
more_names = ["Kenny", "Lenny"]

names.extend(more_names)

print(names)

#output
#['Jimmy', 'Timmy', 'Kenny', 'Lenny']

Quando usamos .extend(), a nameslista foi estendida e seu comprimento aumentado em 2.

A maneira como .extend()funciona é que ele pega uma lista (ou outro iterável) como argumento, itera sobre cada elemento e, em seguida, cada elemento no iterável é adicionado à lista.

Há outra diferença entre .append()e .extend().

Quando você deseja adicionar uma string, como visto anteriormente, .append()adiciona o item inteiro e único ao final da lista:

names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

#add the name Dylan to the end of the list
names.append("Dylan")

print(names)

#output
#['Jimmy', 'Timmy', 'Kenny', 'Lenny', 'Dylan']

Se, em .extend()vez disso, você adicionasse uma string ao final de uma lista, cada caractere na string seria adicionado como um item individual à lista.

Isso ocorre porque as strings são iteráveis e .extend()iteram sobre o argumento iterável passado para ela.

Então, o exemplo acima ficaria assim:

names = ["Jimmy", "Timmy", "Kenny", "Lenny"]

#pass a string(iterable) to .extend()
names.extend("Dylan")

print(names)

#output
#['Jimmy', 'Timmy', 'Kenny', 'Lenny', 'D', 'y', 'l', 'a', 'n']

Conclusão

Resumindo, o .append()método é usado para adicionar um item ao final de uma lista existente, sem criar uma nova lista.

Quando é usado para adicionar uma lista a outra lista, cria uma lista dentro de uma lista.

Se você quiser saber mais sobre Python, confira a Certificação Python do freeCodeCamp . Você começará a aprender de maneira interativa e amigável para iniciantes. Você também construirá cinco projetos no final para colocar em prática o que aprendeu.

fonte: https://www.freecodecamp.org

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O que o .append()método faz?

Qual é a diferença entre os métodos .append()e .insert()?

Qual é a diferença entre os métodos .append()e .extend()?

Conclusão

O que o `.append()`método faz?

Qual é a diferença entre os métodos `.append()`e `.insert()`?

Qual é a diferença entre os métodos `.append()`e `.extend()`?