Beginner

Question 1

What is the correct file extension for Python files?

Answer 1

.py

Question 2

True or False: Python is a statically typed language.

Answer 2

False

Question 3

Fill in the blank: In Python, a ___ is a sequence of characters enclosed in quotes.

Answer 3

string

Question 4

What keyword is used to define a function in Python?

Answer 4

def

Question 5

Which of the following is a mutable data type in Python? (a) Tuple (b) List (c) String

Answer 5

b) List

Question 6

What is the output of the expression 3 * ‘hello’?

Answer 6

‘hellohellohello’

Question 7

True or False: Python uses indentation to define blocks of code.

Answer 7

True

Question 8

What is the purpose of the ‘self’ keyword in Python class methods?

Answer 8

It refers to the instance of the class.

Question 9

What built-in function can be used to get the length of a list?

Answer 9

len()

Question 10

What is the output of print(type([])) in Python?

Answer 10

<class ‘list’>

Question 11

Which symbol is used for comments in Python?

Answer 11

#

Question 12

What does the ‘pass’ statement do in Python?

Answer 12

It is a null statement; it does nothing.

Question 13

What are the two main types of loops in Python?

Answer 13

for loop and while loop

Question 14

What is a dictionary in Python?

Answer 14

A collection of key-value pairs.

Question 15

True or False: Python supports multiple inheritance.

Answer 15

True

Multiple inheritance is a feature in Python that allows a class to inherit from more than one parent class. This means a child class can derive attributes and methods from multiple base classes.

Eg.

class Child(Parent1, Parent2):

Question 16

What is the purpose of the ‘import’ statement in Python?

Answer 16

To include external modules or libraries.

Question 17

Which method is used to add an element to the end of a list?

Answer 17

append()

Question 18

What is the difference between ‘==’ and ‘is’ in Python?

Answer 18

’==’ checks for value equality, ‘is’ checks for identity.

Question 19

What will be the output of the expression 5 // 2?

And what is the operator?

Answer 19

2

// is the floor division operator, it divides the left by the right and rounds the answer down to the nearest integer, discarding the decimal

Question 20

What is a lambda function in Python?

Answer 20

An anonymous function defined with the lambda keyword.

Question 21

What function is used to read input from the user in Python?

Answer 21

input()

Question 22

What is list comprehension in Python?

Answer 22

A concise way to create lists using a single line of code.

It allows you to create a new list by applying an an expression to each element in a list using an interable

Eg:

Squared = [2 ** x for x in numbers]

Question 23

What does the ‘break’ statement do in a loop?

Answer 23

It exits the loop immediately.

Question 24

What is the purpose of the ‘try’ and ‘except’ blocks in Python?

Answer 24

To handle exceptions and errors.

Question 25

Which function is used to convert a string to an integer in Python?

Answer 25

int()

Question 26

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

Answer 26

A list is mutable, while a tuple is immutable.

Question 27

What does the 'with' statement do in Python?

Answer 27

It simplifies exception handling by encapsulating common preparation and cleanup tasks.

Question 28

What is a generator expression?

Answer 28

A compact, high-performance construct for generating values on the fly. Similar to list comprehension but instead of creating an entire list at once, it yields them one at a time, which is processed sequentially. Therefore generator expressions are more memory-efficient, which is particularly helpful for large data sets or streams of data. Enclosed in parenthesis instead of square brackets Often used with functions like sum(), min(), max() and join()