猜拳
"""
1.利用random随机生成电脑出的拳 再用input导入玩家的选择
2.if、elif、else的应用
"""
import random
player = int(input("请输入你的选择：1——石头 2——剪刀 3——布"))
computer = random.randint(1,3)
print("玩家出的是%d，电脑出的是%d" %(player , computer))
if((player == 1 and computer == 2)
or (player == 2 and computer == 3)
or (player == 3 and computer == 1)):
print("你赢了！")
elif(player == computer):
print("平局")
else: print("你输了")
九九乘法表
"""
1.用行列的变化来替代数字的变化
2. while循环
3.column列
"""
row = 1
while row <= 9
col = 1
while col <= row :
print("%d * %d = %d" %(col , row , col*row) , end = "t")
col += 1
row += 1
三角
row = 1
while row <= 5:
col = 1
while col <= row :
print("*" , end="")
#输入*后不换行
col += 1
print("")
#换行符
row += 1
输出一行分隔符
print("-" * 50)
