save project

diy1.py

@@ -4,10 +4,14 @@ u=input("石头，剪刀，布:")
 print("khuj"+u)
 a=random.choice(f)
 print(f)
-if a==u:
-    print("平局")
-elif(a=="石头"and u=="布")or (a=="剪刀"and u="石头")or (a=="布" and u= 剪刀):
-    print("胜利")
+if u in f:
+    if a==u:
+        print("平局")
+    elif(a=="石头"and u=="布")or (a=="剪刀"and u="石头")or (a=="布" and u= 剪刀):
+        print("胜利")
+else:
+    print("输入错误")
+