function in the python

 a = 4

b=5

# inbuild function in python

# c = sum((a,b))

# print(c)

def function1():

    print("This is the function one")

# calling the function.... simple function but return none .... does not return any value

# print(function1())

# parameterizsed function in python

def function2(a,b):

    """

        this is called as a docstring ..... It is help user or developer to understanding the whats is the functinon us .... this function does not contain only 3 number addiyttion

       

    """

    n = a+b

    print(a+b)

    return n

# d= function2(4,5)

# print(d)

# accedd the docstring in the python

print(function2.__doc__)