save project

diy1.py

@@ -4,12 +4,16 @@ import random
 list=["剪刀","石头","布"]
 l=random.choice(list)
 print("电脑出拳"+l)
-if a==l:
-    print("平局")
-elif (a=="剪刀" and l=="布") or (a=="石头" and l=="剪刀") or (a=="布" and l=="石头"):
-    print("win")
-else :
-    print("你输了")
+if a in list:
+    if a==l:
+        print("平局")
+    elif (a=="剪刀" and l=="布") or (a=="石头" and l=="剪刀") or (a=="布" and l=="石头"):
+        print("win")
+    else :
+        print("你输了")
+else:
+    print("输入错误")
+