how to call a def in python code example

Example 1: python functions

# first we have to write 'def'
# then our function name followed by ()
# and a ':' abd defining  block of code

def multiply():     # naming convention could be same as variable for functions
    product = 10.5 * 4
    return product


product = multiply()
print(product)

Example 2: create function in python

def myFunction():
  print('I am running in a function!')

Example 3: how to define a function in python

def function_name():
  pass

Example 4: explain def in python

def greet(name):
    """
    This function greets to
    the person passed in as
    a parameter
    """
    print("Hello, " + name + ". Good morning!")