PYTHON INTERVIEW QUESTIONS FOR EXPERIENCED PROFESSIONALS ( Vestino Technologies)

PYTHON INTERVIEW QUESTIONS FOR EXPERIENCED PROFESSIONALS ( Vestino Technologies)

1. How to create a new column in pandas by using values from other columns? 2. What are the different functions that can be used by grouby in pandas ? 3. How to select columns in pandas and add them to a new dataframe? What if there are two...

  1. How to create a new column in pandas by using values from other columns?
  2. What are the different functions that can be used by grouby in pandas ?
  3. How to select columns in pandas and add them to a new dataframe? What if there are two columns with the same name?
  4. How to delete a column or group of columns in pandas? Given the below dataframe drop column “col1”.
  5. Given the following data frame drop rows having column values as A.
  6. Given the below dataset find the highest paid player in each college in each team.
  7. Given the above dataset find the min max and average salary of a player collegewise and teamwise.
  8. What is reindexing in pandas?
  9. What do you understand by lambda function? Create a lambda function which will print the sum of all the elements in this list -> [5, 8, 10, 20, 50, 100]
  10. What is vstack() in numpy? Give an example
  11. How do we interpret Python?
  12. How to remove spaces from a string in Python?
  13. Explain the file processing modes that Python supports.
  14. What is pickling and unpickling?
  15. How is memory managed in Python?
  16. What is unittest in Python?
  17. How do you delete a file in Python?
  18. How do you create an empty class in Python?
  19. What are Python decorators? PYTHON INTERVIEW QUESTIONS FOR ADAVANCED LEVELS
  20. You have this covid-19 dataset below:

From this dataset, how will you make a bar-plot for the top 5 states having maximum confirmed cases as of 17=07-2020? 2. From this covid-19 dataset:

How can you make a bar-plot for the top-5 states with the most amount of deaths? 3. From this covid-19 dataset:

How can you make a line plot indicating the confirmed cases with respect to date? 4. On this “Maharashtra” dataset:

How will you implement a linear regression algorithm with “date” as independent variable and “confirmed” as dependent variable. That is you have to predict the number of confirmed cases w.r.t date. 5. On  this customer_churn dataset:

Build a keras sequential model to find out how many customers will churn out on the basis of tenure of customer? 6. On this iris dataset:

Build a decision tree classification model, where dependent variable is “Species” and independent variable is “Sepal.Length”. 7. On this iris dataset:

Build a decision tree regression model where the independent variable is “petal length” and dependent variable is “Sepal length”. 8. How will you scrape data from the website “cricbuzz”? 9. Write a user-defined function to implement central-limit theorem. You have to implement central limit theorem on this “insurance” dataset:

You also have to build two plots on “Sampling Distribution of bmi” and “Population distribution of  bmi”. 10.  Write code to perform sentiment analysis on amazon reviews: 11. Implement a probability plot using numpy and matplotlib: 12. Implement multiple linear regression on this iris dataset:

The independent variables should be “Sepal.Width”, “Petal.Length”, “Petal.Width”, while the dependent variable should be “Sepal.Length”. 13. From this credit fraud dataset:

Find the percentage of transactions which are fraudulent and not fraudulent. Also build a logistic regression model, to find out if the transaction is fraudulent or not. 14.  Implement a simple CNN on the MNIST dataset using Keras. Following which, also add in drop out layers. 15. Implement a popularity based recommendation system on this movie lens dataset:

PYTHON OOPS INTERVIEW QUESTIONS

  1. What do you understand by object oriented programming in Python?
  2.  How are classes created in Python? Give an example
  3. What is inheritance in Object oriented programming? Give an example of multiple inheritance.
  4. What is multi-level inheritance? Give an example for multi-level inheritance? PYTHON PROGRAMS FOR INTERVIEW
  5. How can you find the minimum and maximum values present in a tuple?
  6.  If you have a list like this -> [1,”a”,2,”b”,3,”c”]. How can you access the 2nd, 4th and 5th elements from this list?
  7. If you have a list like this -> [“sparta”,True,3+4j,False]. How would you reverse the elements of this list?
  8. If you have dictionary like this – > fruit={“Apple”:10,”Orange”:20,”Banana”:30,”Guava”:40}. How would you update the value of ‘Apple’ from 10 to 100?
  9. If you have two sets like this -> s1 = {1,2,3,4,5,6}, s2 = {5,6,7,8,9}. How would you find the common elements in these sets.
  10. Write a program to print out the 2-table using while loop.
  11. Write a function, which will take in a value and print out if it is even or odd.
  12. Write a python program to print the factorial of a number.
  13. Write a python program to check if the number given is a palindrome or not
  14. Write a python program to print the following pattern
  15.  Pattern questions. Print the following pattern
    1. Print the following pattern   #        # #      # # #    # # # #

      # # #

  16. Print the following pattern: 0 0 1 0 1 2 0 1 2 3 0 1 2 3 4
  17. Print the following pattern: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
  18. Print the following pattern: A B B C C C D D D D
  19. Print the following pattern: A B C D E F G H I J K L M N O P Q R S T U
  20. Print the following pattern #     # #     # # #    # # # #   # # # # #
    1. Given the below dataframes form a single dataframe by vertical stacking.

We use the pd.concat and axis as 0 to stack them horizontally.

  1. Given the below dataframes stack them horizontally to form a single data frame.

We use the pd.concat and axis as 0 to stack them horizontally.

20. If you have a dictionary like this -> d1={“k1″:10,”k2″:20,”k3”:30}. How would you increment values of all the keys ? 21. How can you get a random number in python?

Bootstrap 5 Complete Course with Examples

Bootstrap 5 Tutorial - Bootstrap 5 Crash Course for Beginners

Nest.JS Tutorial for Beginners

Hello Vue 3: A First Look at Vue 3 and the Composition API

Building a simple Applications with Vue 3

Deno Crash Course: Explore Deno and Create a full REST API with Deno

How to Build a Real-time Chat App with Deno and WebSockets

Convert HTML to Markdown Online

HTML entity encoder decoder Online

Top 130 Android Interview Questions - Crack Technical Interview Now!

Top Android Interview Questions & Answers from Beginner to Advanced level. Get ready to crack your next android interview with these android interview questions

top 30 Python Tips and Tricks for Beginners

In this post, we'll learn top 30 Python Tips and Tricks for Beginners

Top 44 Python Interview Questions & Answers: Ultimate Guide 2021

Looking for Python Interview Questions & Answers to prepare? We have an ultimate guide of knowledge-based Python Interview Questions and Answers. Read this article.

Top 44 Python Interview Questions & Answers: Ultimate Guide 2021

Looking for Python Interview Questions & Answers to prepare? We have an ultimate guide of knowledge-based Python Interview Questions and Answers. Read because it will be of great help for you.

Lambda, Map, Filter functions in python

You can learn how to use Lambda,Map,Filter function in python with Advance code examples. Please read this article