save project

diy.py

-import random #导入random
+import random 
 A=input("玩家出拳(石头/剪子/布)")
 print("玩家出拳:"+A)
 C=["石头","剪刀","布"]
 letter=random.choice(C)
 print("计算机出拳:"+letter)
-if A==letter:
-    print("平局")
-elif A=="布" and letter=="石头":
-    print("恭喜，你赢了")
-elif A=="剪刀" and letter=="布":
-    print("恭喜，你赢了")
-elif A=="石头" and letter=="剪刀":
-    print("恭喜，你赢了")
+if A in C:
+    if A==letter:
+        print("平局")
+    elif A=="布" and letter=="石头":
+        print("恭喜，你赢了")
+    elif A=="剪刀" and letter=="布":
+        print("恭喜，你赢了")
+    elif A=="石头" and letter=="剪刀":
+        print("恭喜，你赢了")
+    else:
+        print("很遗憾，你输了")
 else:
-    print("很遗憾，你输了")
+    print("输入错误")