# -*- coding: utf-8 -*-
"""
Created on Tue Sep 20 10:14:05 2016

@author: progprim
"""


def mysum(a, b):
    """Return the sum of a and b."""
    print("in mysum 0")
    c = a + b
    print("in mysum 1")
    return c
    print("in mysum 2")


def greetings():
    print("Hello World")
    return None


#print("The sum of 10 and 20 is", mysum(10, 20))
n1 = 10
n2 = 20
print("The sum of {} and {} is {}."
      .format(n1, n2, mysum(n1, n2)))