Question 1

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

Accepted Answer

. [] creates an empty list. type([]) returns .

Question 2

Which of the following is immutable in Python?

Accepted Answer

Tuple. Tuples are immutable — you cannot change their elements after creation. Lists, dicts, and sets are mutable.

Question 3

What is a list comprehension?

Accepted Answer

A concise way to create lists using a single expression. List comprehensions: [expr for item in iterable if condition]. E.g., [x**2 for x in range(5)] = [0, 1, 4, 9, 16].

Question 4

What does the 'pass' statement do in Python?

Accepted Answer

Does nothing; acts as a placeholder. 'pass' is a no-op. It's used where syntactically a statement is required but no action is needed (empty class, function, loop body).

Question 5

What is the output of: print(len('hello'))?

Accepted Answer

5. len() returns the number of characters in the string. 'hello' has 5 characters.

Python MCQ Quiz

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