save project

diy1.py

@@ -4,14 +4,16 @@ import random
 a=["石头","剪刀","布"]
 a=["石头","剪刀","布"]
 b=random.choice(a)
 b=random.choice(a)
 print("计算机出拳:",b)
 print("计算机出拳:",b)
-if s==b:
-    print("平局")
-elif s=="石头" and b=="剪刀":
-    print("你赢了")
-elif s=="剪刀" and b=="布":
-    print("你赢了")
-elif s=="布" and b=="石头":
-    print("你赢了")
+if s in a:
+    if s==b:
+        print("平局")
+    elif s=="石头" and b=="剪刀":
+        print("你赢了")
+    elif s=="剪刀" and b=="布":
+        print("你赢了")
+    elif s=="布" and b=="石头":
+        print("你赢了")
+    else:
+        print("你输了")
 else:
 else:
-    print("你输了")
-
+    print("输入错误")
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