'''
Created on Sep 6, 2017

@author: Susan
'''

def sum(a, b):
    return a+b

def hw(name):
    print "Hello " + name

if __name__ == '__main__':
    print sum(4,7)
    answer = sum(4, 7)
    print "answer is", answer
    sum(4,7)
    name = hw("Sue")
    print "name is", name
    hw("Sue")
    print hw("Jo")