save project

diy1.py

@@ -4,13 +4,16 @@ import random
 list=["石头","剪刀","布"]
 b = random.choice(list)
 print("电脑出拳" + b)
-if a==b:
-    print("平局")
-elif a=="石头" and b=="剪刀":
-    print("恭喜,你赢了")
-elif a=="剪刀" and b=="布":
-    print("恭喜,你赢了")
-elif a=="布" and b=="石头":
-    print("恭喜,你赢了")
+if a in list:
+    if a==b:
+        print("平局")
+    elif a=="石头" and b=="剪刀":
+        print("恭喜,你赢了")
+    elif a=="剪刀" and b=="布":
+        print("恭喜,你赢了")
+    elif a=="布" and b=="石头":
+        print("恭喜,你赢了")
+    else:
+        print("佷遗憾,你输了")   
 else:
-    print("佷遗憾,你输了")   
\ No newline at end of file
+    print("输入错误")