Python In Practice - 15 Projects to Master Python - Functions in Python and Defining Our Own

The video tutorial introduces basic Python functions, focusing on the print and input functions for terminal interaction. It explains how to create a simple product function using the 'def' keyword, including naming conventions, code blocks, and syntax. The tutorial demonstrates calling functions and executing them in Python, using a product function as an example. Additionally, it covers defining and using another function to print a greeting message multiple times, illustrating the basic functioning of user-defined functions in Python.

What is the primary purpose of the 'def' keyword in Python?

• To define a function

• To create a loop

• To print a message

• To define a variable

Which of the following is necessary to define a function in Python?

• Using the 'return' keyword

• Using the 'input' function

• Using the 'print' function

• Using parentheses and a colon

What does the 'product' function do in the example?

• Calculates the sum of two numbers

• Calculates the product of two numbers

• Prints a greeting message

• Takes user input

How can you call a function in Python?

• By typing the function name followed by parentheses

• By using the 'call' keyword

• By using the 'execute' keyword

• By typing the function name without parentheses

What message does the 'greet' function print?

• Goodbye!

• Hello, World!

• Have a nice day

• Welcome!