In this video, we will learn , how to create a calculator using Tkinter in python.
Calculator has two modes Normal Mode and Scientific Mode.
We will how to create a window with Tkinter then we will learn how to create buttons with logic and manually .
how to add buttons to our main window.
we will learn how to work with frames in Tkinter .
how to add an image to the Tkinter window.
Welcome to my Blog , In this article, you are going to learn the top 10 python tips and tricks.
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Welcome to my Blog, In this article, we will learn python lambda function, Map function, and filter function.
Lambda function in python: Lambda is a one line anonymous function and lambda takes any number of arguments but can only have one expression and python lambda syntax is
Syntax: x = lambda arguments : expression
Now i will show you some python lambda function examples:
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Learn Tkinter in this full course for beginners. Tkinter is the fastest and easiest way to create the Graphic User Interfaces (GUI applications) with Python. Tkinter comes with Python already, so there’s nothing to install!
⭐️Course Contents ⭐️
⌨️ (0:00:00) Intro to Tkinter
⌨️ (0:10:32) Positioning With Tkinter’s Grid System
⌨️ (0:19:29) Creating Buttons
⌨️ (0:29:30) Creating Input Fields
⌨️ (0:38:51) Build A Simple Calculator App
⌨️ (1:18:19) Using Icons, Images, and Exit Buttons
⌨️ (1:27:42) Build an Image Viewer App
⌨️ (1:49:37) Adding A Status Bar
⌨️ (1:59:45) Adding Frames To Your Program
⌨️ (2:07:49) Radio Buttons
⌨️ (2:24:36) Message Boxes
⌨️ (2:35:31) Create New Windows in tKinter
⌨️ (2:44:30) Open Files Dialog Box
⌨️ (2:56:09) Sliders
⌨️ (3:08:25) Checkboxes
⌨️ (3:17:29) Dropdown Menus
⌨️ (3:23:50) Using Databases
⌨️ (3:32:28) Building Out The GUI for our Database App
⌨️ (3:59:48) Delete A Record From Our Database
⌨️ (4:15:18) Update A Record With SQLite
⌨️ (4:42:57) Build a Weather App
⌨️ (5:04:32) Change Colors In our Weather App
⌨️ (5:16:36) Add Zipcode Lookup Form
⌨️ (5:26:22) Matplotlib Charts
📺 The video in this post was made by freeCodeCamp.org
The origin of the article: https://www.youtube.com/watch?v=YXPyB4XeYLA&list=PLWKjhJtqVAbnqBxcdjVGgT3uVR10bzTEB&index=3
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Magic Methods are the special methods which gives us the ability to access built in syntactical features such as ‘<’, ‘>’, ‘==’, ‘+’ etc…
You must have worked with such methods without knowing them to be as magic methods. Magic methods can be identified with their names which start with __ and ends with __ like init, call, str etc. These methods are also called Dunder Methods, because of their name starting and ending with Double Underscore (Dunder).
Now there are a number of such special methods, which you might have come across too, in Python. We will just be taking an example of a few of them to understand how they work and how we can use them.
class AnyClass: def __init__(): print("Init called on its own") obj = AnyClass()
The first example is _init, _and as the name suggests, it is used for initializing objects. Init method is called on its own, ie. whenever an object is created for the class, the init method is called on its own.
The output of the above code will be given below. Note how we did not call the init method and it got invoked as we created an object for class AnyClass.
Init called on its own
Let’s move to some other example, add gives us the ability to access the built in syntax feature of the character +. Let’s see how,
class AnyClass: def __init__(self, var): self.some_var = var def __add__(self, other_obj): print("Calling the add method") return self.some_var + other_obj.some_var obj1 = AnyClass(5) obj2 = AnyClass(6) obj1 + obj2
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