tests = [(x, 1/x) for x in range(2,11)] def check_repeats(number): number = str(number) longest = '' for i in range(1, len(number)+1): sample = number[:i] while number[:i] == if __name__ == '__main__': for test in tests: result = check_repeats(str(test[1])[2:]) print('Test %s = %s, %s\n'.format(test[0], test[1], result))