Online Python Quiz 2

The post contains a Quiz about Python with Answers. The MCQs in this Python Quiz cover topics related to data frames in Python and basic concepts and introduction to Python.

Online MCQs Python with Answers

1. Which data structure is [1,2,3,4].

 
 
 
 

2. What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?

 
 
 
 

3. A data professional is working with a NumPy array that has three rows and two columns. They want to change the data into two rows and three columns. What method can they use to do so?

 
 
 
 

4. How would you get the columns for temperature and rainfall from a data frame using Python?

 
 
 
 

5. We want to delete a list of columns from our data frame df. Which one of these methods is used to delete a column in a data frame?

 
 
 
 

6. What is the name of the attribute that we want to predict

 
 
 
 

7. How do you determine the median of data using Pandas?

 
 
 
 

8. How would you access the column “symboling” from the data frame df?

 
 
 
 

9. What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?

 
 
 
 

10. We have a data frame called df, choose the correct pandas property that shows you the number of rows and columns in the data frame.

 
 
 
 

11. What happens when you add an int and a float?

 
 
 
 

12. We have a data frame called df, in which pandas property is used to check the columns’ data types.

 
 
 
 

13. We have a data frame called df. Which line of code aggregates the data based on a column (col_A) and counts the number of rows?

 
 
 
 

14. Suppose you have a data frame named df What does the following method do to the data frame df.head(12)?

 
 
 
 

15. What is the difference between a list and a tuple in Python?

 
 
 
 

16. We have a data frame called df. Which method is used to create a line chart of two columns $a$ and $b$?

 
 
 
 

17. Which method creates the correlation matrix of the numerical columns in a data frame df?

 
 
 
 

18. What is indicated by the term null?

 
 
 
 

19. A data professional wants to merge two pandas’ data frames. They want to join the data so that only the keys that are in both data frames get included in the merge. What technique can they use to do so?

 
 
 
 

20. What is the syntax to create a tuple in Python?

 
 
 
 


Python Quiz with Answers

  • We have a data frame called df. Which line of code aggregates the data based on a column (col_A) and counts the number of rows?
  • We have a data frame called df. Which method is used to create a line chart of two columns $a$ and $b$?
  • We want to delete a list of columns from our data frame df. Which one of these methods is used to delete a column in a data frame?
  • Which method creates the correlation matrix of the numerical columns in a data frame df?
  • How would you access the column “symboling” from the data frame df?
  • We have a data frame called df, in which the pandas property is used to check the columns’ data types.
  • We have a data frame called df, choose the correct pandas property that shows you the number of rows and columns in the data frame.
  • Suppose you have a data frame named df What does the following method do to the data frame df.head(12)?
  • A data professional wants to merge two pandas’ data frames. They want to join the data so that only the keys that are in both data frames get included in the merge. What technique can they use to do so?
  • How do you determine the median of data using Pandas?
  • How would you get the columns for temperature and rainfall from a data frame using Python?
  • What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?
  • What will be the datatype of the output of df[‘A’] where ‘df’ is a data frame and ‘A’ is one of the columns?
  • A data professional is working with a NumPy array that has three rows and two columns. They want to change the data into two rows and three columns. What method can they use to do so?
  • Which data structure is [1,2,3,4].
  • What is indicated by the term null?
  • What is the name of the attribute that we want to predict
  • What is the difference between a list and a tuple in Python?
  • What is the syntax to create a tuple in Python?
  • What happens when you add an int and a float?
Python Quiz with Answers

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