#!/usr/bin/env python import sys try: a = int(raw_input('Enter value of a: ')) b = int(raw_input('Enter value of b: ')) except (ValueError, EnvironmentError), err: print sys.stderr, "Erroneous input:", err sys.exit(1) dispatch = { -1: 'is less than', 0: 'is equal to', 1: 'is greater than' } print a, dispatch[cmp(a,b)], b