how to write and call the function in function python code example

Example 1: how to write a function in python

# We use the def keyword to write a function in python
# Format: def function_name():
# For example:
def Bark():
  print("Bark! Bark!")

# If we want to run the function
Bark()

Example 2: function in function python

def function1(): # outer function
    print ("Hello from outer function")
    def function2(): # inner function
        print ("Hello from inner function")
    function2()

function1()