Important Python MCQ Online Test 5

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This post is about the Python MCQ Online Test with Answers. It consists of 20 multiple-choice questions about Data and Data Structures in Python. Let’s start with the Python MCQ Online Test with Answers.

Online Multiple Choice questions about Python Programming with answers

1. Which among the following are mutable objects in Python?

  1. List
  2. Integer
  3. String
  4. Tuple
 
 
 
 

2. A 5 x 5 numpy multidimensional array x is created. How do you access elements in the first row?

 
 
 
 

3. What data type is the object below?
L = [1, 23, 'hello', 1]

 
 
 
 

4. A data professional is working with a list of named cities that contains data on global cities. The string ‘Houston’ is the third element in the list. What Python code can they use to remove the string ‘Houston’ from the list?

 
 
 
 

5. In pandas, what is the difference between the iloc[] and loc[] methods?

 
 
 
 

6. What will be the result of the following Python code?
set1 = {1, 2, 3}
set1.add(4)
set1.add(4)
print(set1)

 
 
 
 

7. What does the “iloc” method of a pandas data frame do?

 
 
 
 

8. How to find a multi-dimensional numpy array called $x$ in Python?

 
 
 
 

9. In Python, which of the following characters can a data professional use to instantiate a dictionary?

 
 
 
 

10. How is the data for each row in a CSV file stored once it is read?

 
 
 
 

11. Which of the functions below can we use to acquire the value at a certain row?

 
 
 
 

12. Which of the following is True regarding lists in Python?

 
 
 
 

13. A ————— NumPy array can be created from a list of lists, where each internal list is the same length.

 
 
 
 

14. A data professional is working with a list of named cities that contains data on global cities. What Python code can they use to add the string ‘Multan’ as the second element in the list?

 
 
 
 

15. Which of the following is not a core data type in Python programming?

 
 
 
 

16. We have a JSON dataset stored in the file_path directory. Which method is used to import JSON data into a pandas data frame?

 
 
 
 

17. What will the following Python code do?
set1={"a", 3, "b", 3}
set1.remove(3)

 
 
 
 

18. How do you create a 25 x 25 identify matrix in numpy?

 
 
 
 

19. A 5 x 5 numpy multidimensional array called $x$ is created. How to add a scalar $b$ to the $x$ matrix?

 
 
 
 

20. Which pandas function does a data professional use to convert categorical variables into dummy variables?

 
 
 
 

Python MCQ Online Test with Answers

Python MCQ Online Test with Answers

  • We have a JSON dataset stored in the file_path directory. Which method is used to import JSON data into a pandas data frame?
  • How do you create a 25 x 25 identify matrix in numpy?
  • A 5 x 5 numpy multidimensional array x is created. How do you access elements in the first row?
  • A 5 x 5 numpy multidimensional array called $x$ is created. How to add a scalar $b$ to the $x$ matrix?
  • How to find a multi-dimensional numpy array called $x$ in Python?
  • How is the data for each row in a CSV file stored once it is read?
  • A ————— NumPy array can be created from a list of lists, where each internal list is the same length.
  • In pandas, what is the difference between the iloc[] and loc[] methods?
  • A data professional is working with a list of named cities that contains data on global cities. The string ‘Houston’ is the third element in the list. What Python code can they use to remove the string ‘Houston’ from the list?
  • What does the “iloc” method of a pandas data frame do?
  • A data professional is working with a list of named cities that contains data on global cities. What Python code can they use to add the string ‘Multan’ as the second element in the list?
  • Which pandas function does a data professional use to convert categorical variables into dummy variables?
  • Which of the functions below can we use to acquire the value at a certain row?
  • In Python, which of the following characters can a data professional use to instantiate a dictionary?
  • What will be the result of the following Python code? set1 = {1, 2, 3} set1.add(4) set1.add(4) print(set1)
  • What will the following Python code do? set1={“a”, 3, “b”, 3} set1.remove(3)
  • Which of the following is True regarding lists in Python?
  • Which among the following are mutable objects in Python?
  1. List
  2. Integer
  3. String
  4. Tuple
  • Which of the following is not a core data type in Python programming?
  • What data type is the object below? L = [1, 23, ‘hello’, 1]
Python MCQ Online Test with Answers

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