EDA Python - 13-1_Functions

The video tutorial introduces functions in Python, explaining their benefits and how to define them using the 'def' keyword. It covers creating simple functions, such as adding two numbers, and more complex ones like calculating the mean of a list. The importance of using docstrings for documentation is highlighted, along with handling default arguments to prevent errors. The tutorial concludes with an explanation of the None type, which is used by functions like print that do not return a value.

What is one advantage of creating custom functions in Python?

• They automatically debug the code.

• They make the code run faster.

• They allow for code reuse and reduce repetition.

• They increase the complexity of the code.

Which keyword is used to define a function in Python?

• func

• function

• define

• def

What does the 'return' statement do in a Python function?

• It outputs the function's result to the console.

• It saves the function's result to a file.

• It stops the function from executing.

• It specifies the value that the function gives back.

Why is it important to use a docstring in a function?

• To provide documentation about what the function does.

• To make the function run faster.

• To ensure the function is error-free.

• To allow the function to be used in other programming languages.

What happens if you call a function with default parameters without providing any arguments?

• The function will return an error.

• The function will not execute.

• The function will use the default values for its parameters.

• The function will ask for user input.

What is the 'None' type used for in Python functions?

• To indicate a function has no parameters.

• To specify a function returns no value.

• To define a function with default parameters.

• To create a function that runs indefinitely.

What will be the output if a function with no return statement is called?

• The function will return an empty string.

• The function will return an error.

• The function will return 0.

• The function will return None.