save project

diy.py

@@ -4,11 +4,12 @@ import random
 list=['石头','剪刀','布']
 b=random.choice(list)
 print('计算机出拳：'+b)
-if a==b:
-    print('平局')
-elif (b=='石头'and a=='剪刀')or(b=='剪刀'and a=='布')or(b=='布'and a=='石头'):
-     print('你输了!')
+if a in list:
+    if a==b:
+        print('平局')
+    elif (b=='石头'and a=='剪刀')or(b=='剪刀'and a=='布')or(b=='布'and a=='石头'):
+        print('你输了!')
+    else:
+        print('你赢了！')
 else:
-    print('你赢了！')
-
-        
\ No newline at end of file
+    print('输入错误')        
\ No newline at end of file