save project

hello.py

@@ -4,14 +4,15 @@ print("我的出拳是:")
 cp=["石头","剪刀","布"]
 cp=["石头","剪刀","布"]
 b=random.choice(cp)
 b=random.choice(cp)
 print("让计算机出拳：")
 print("让计算机出拳：")
-if a==b:
-    print("平局")
-elif(a=="石头"and b=="剪刀")or(a=="剪刀"and b=="布")or(a=="布"and b=="石头"):
-    print("我赢了")
+if a in cp:        
+    if a==b:
+       print("平局")                       
+    elif(a=="石头"and b=="剪刀")or(a=="剪刀"and b=="布")or(a=="布"and b=="石头"):
+        print("我赢了")
+    else:
+         print("计算机赢了")
 else:
 else:
-    print("计算机赢了")
-
-
+    print("输入错误")