save project

star.py

 import random
-player=input("请输入（石头/剪刀/布）：")
-print("玩家出拳："+player)
-a=["石头","剪刀","布"]
-b=random.choice(a)
-print("计算机出拳："+b)
-if player==b:
-    print("平局")
-elif (player=="石头"and b=="剪刀")or(player=="石头"and b=="布")or(player=="布"and b=="剪刀"):
-    print("玩家获胜")
-else:
-    print("计算机获胜")
+while True:
+    player=input("请输入（石头/剪刀/布）：")
+    print("玩家出拳："+player)
+    a=["石头","剪刀","布"]
+    b=random.choice(a)
+    print("计算机出拳："+b)
+    if player in a:
+        if player==b:
+            print("平局")
+        elif (player=="石头"and b=="剪刀")or(player=="石头"and b=="布")or(player=="布"and b=="剪刀"):
+            print("玩家获胜")
+        else:
+            print("计算机获胜")
+    else:
+        print("输入错误")
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