Python interview questions and answers: Functions and Modules

Python Functions and Modules

Defining Functions:

• What is a Python function, and why is it useful in programming?
• How do you define a function in Python? Give an example.
• How do you call a function in Python? Give an example.
• What are the default arguments in a function? What is the best way to use them?

Function Arguments and Return Values:

• What are function arguments, and how are they used in Python?
• Explain the difference between positional and keyword arguments in a function
• What is the purpose of the *args and **kwargs syntax in function definitions?
• How do you return values from a function in Python? Show different ways to return multiple values.

Scope and Global Variables:

• What is scope in Python functions? Explain with an example.
• Describe the difference between global and local variables in Python
• How do you access global variables inside a function? Is it possible to modify them?
• If a variable has the same name locally and globally, what happens?

Importing Modules:

• What are modules in Python, and how do they organize code?
• How do you import a module into Python? Provide different ways to import modules.
• Explain the concept of namespacing in relation to module imports.