Starting a Python function

functions.py

# This is a comment. Comments start with the '#'

# Function one (for demonstration purposes)
def function_name(parameter):
  #This is the functions body
  #The body is defined by the indention at the begining of the line
  print(parameter)
  
# Function two
def function_two():
  print("This is function two")
  
  
function_two()