how to add a fuction in python

def test_function(argument1,argument2,argument3) :
  # Do something with the code, and the arguments.
  print(argument1)
  print(argument2)
  print(argument3)
  
# Calling the function.

test_function('Hello','World','!')

# Output
'''
Hello
World
!
'''

def example():			#This defines it
  print("Example.")		#This is the defined commands

example()				#And this is the commands being run

#How to define a function

def new_function(): #Creates a new function
  print("Function is here!") #Here we write what we want our function to do
  
#How to call a funtion

new_function() #Just type in the fuction's name and add brackets after it!