learn python3 the hard way电子版测试文件，print("I will now count my chickens:") print("Hens", 25 + 30 / 6) print("Roosters", 100 - 25 * 3 % 4) print("Now I will count the eggs:") print(3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6) print("Is it true that 3 + 2 < 5 - 7?") print(3 + 2 < 5 - 7)