how do you define a function in python code example

Example 1: python functions

def myFunction(say): #you can add variables to the function
  print(say)

myFunction("Hello")

age = input("How old are you?")

myFunction("You are {} years old!".format(age))

#this is what you get:

Hello
How old are you?
>>11 #lol my real age actually
You are 11 years old!

Example 2: how to add a function in python

#How to add a function in python

#Function
def new_function(): #Tells python to define a function
  print("Hello World!") #Here is where we put what the function should do
  
#Calling a function
new_function()
#Calling a function allows us to use the function at a specific time in our code