python if语句
if 语句用于有条件的执行。
语法:
if 表达式:执行语句
elif 表达式:执行语句
else:执行语句
应用范例:石头剪刀布
import random player = int(input("请出拳 石头(1)/剪刀(2)/布(3):")) computer = random.randint(1,3) print("你出的是:", end = "") print(player) print("电脑出的是:", end = "") print(computer) if ((player == 1 and computer == 2) or (player == 2 and computer == 3) or (player == 3 and computer == 1)): print("噢耶!!!电脑弱爆了!!!") elif player == computer: print("心有灵犀,再来一盘!") else: print("不行,我要和你决战到天亮!")