save project

diy1.py

 import random
-p=input("请出拳：石头/剪刀/布")# 玩家出拳
-print("玩家出拳:"+p)
 a = ["石头","剪刀","布"]
-b = random.choice(a)
-print("电脑出拳:"+b)
-if p == b:
-    print("平局")
-elif p == "石头" and b == "剪刀" or p=="剪刀" and b == "布" or p == "布" and b == "石头":
-    print("玩家胜")
-else:
-    print("电脑胜")
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+while True:
+    p=input("请出拳：石头/剪刀/布")# 玩家出拳
+    if p in a:
+        print("玩家出拳:"+p)
+        b = random.choice(a)
+        print("电脑出拳:"+b)
+        if p == b:
+            print("平局")
+        elif p == "石头" and b == "剪刀" or p=="剪刀" and b == "布" or p == "布" and b == "石头":
+            print("玩家胜")
+        else:
+            print("电脑胜")
+    else:
+        print("结束程序")
+        break
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