Python Interview Questions

Here are the top Python interview questions to prepare for your next role.

1️⃣ What does the @staticmethod decorator do when used in a Python class?

• A) It turns the method into a private method that cannot be accessed from outside the class.
• B) It defines a method that cannot access or modify class or instance variables.
• C) It restricts the method to only be called from outside the class.
• D) It allows a method to access and modify instance variables directly.

2️⃣ Which of the following Python data types are considered immutable?

• A) String
• B) Tuple
• C) Dictionary
• D) List

3️⃣ Which of the following statements about Python's global keyword is true?

• A) It must be used inside a function to modify a global variable.
• B) It makes the variable readonly inside the function.
• C) It allows you to modify a variable outside the current scope.
• D) It is used to define a variable that is accessible from any module.

4️⃣ What is the difference between the is operator and the == operator in Python?

• A) is checks for identity, while == checks for equality.
• B) is checks for equality, while == checks for identity.
• C) is and == are interchangeable.
• D) is can be used for all types, while == is only for numbers.

5️⃣ If you write x = y = z = [], and then modify x by appending an element, do y and z also change?

• A) Only y changes with x
• B) Yes, they all change
• C) Only z changes with x
• D) No, only x changes