save project

a.py

@@ -5,14 +5,18 @@ while True:
     xsb=['石头','剪刀','布']
     dsb=random.choice(xsb)
     print('机器人出了'+dsb)
-    if sb==dsb:
-        print('平局')
-    elif sb=='石头'and dsb=="剪刀":
-        print('恭喜你，你赢了')
-    elif sb=='剪刀' and dsb=='布': 
-        print('恭喜你，你赢了')   
-    elif sb=='布' and dsb=='石头': 
-        print('恭喜你，你赢了') 
+    if sb in xsb:
+        if sb==dsb:
+            print('平局')
+        elif sb=='石头'and dsb=="剪刀":
+            print('恭喜你，你赢了')
+        elif sb=='剪刀' and dsb=='布': 
+            print('恭喜你，你赢了')   
+        elif sb=='布' and dsb=='石头': 
+            print('恭喜你，你赢了') 
+        else:
+            print('很遗憾，你输了')
     else:
-        print('很遗憾，你输了')
+        print('输入错误')
+        
         
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