
# 2.1.7 Each member change different file: set correct operation 
def operation(a,b):
    print "Opero a - b"
    return a - b

8eeb2e49addf2ea0a93361343f68062b68dea2e7

# 2.1.7 Each member change different file: set correct operation 
def operation(a,b):
    print "Opero a - b"
    return a - b
