Describe a function : Functions in Python

This video tutorial introduces the concept of functions in Python, explaining how to define and execute them using the 'def' keyword. It covers the importance of naming functions, using brackets, and understanding the function body. The tutorial also highlights best practices for writing functions, such as keeping them short for readability. Additionally, it discusses the scope of variables within functions and common errors that may occur. The video concludes with a reminder of the significance of functions in programming and their frequent use throughout the course.

What is the keyword used to define a function in Python?

• define

• func

• function

• def

Which of the following is a correct way to call a function named 'greet'?

• call greet()

• greet()

• run greet()

• execute greet()

What happens if you try to call a function before it is defined?

• The function is ignored

• An error occurs

• The program crashes

• The function runs normally

Why should functions generally be kept short?

• To avoid syntax errors

• To improve readability and maintainability

• To reduce execution time

• To save memory

What is the scope of a variable defined inside a function?

• Accessible anywhere in the program

• Local to the function

• Persistent after the function ends

• Global