save project

diy.py

@@ -3,6 +3,9 @@ userpassword = "123456"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
+    i=3
+    i-=1
+    if i>0:
         if name == username and password == userpassword:
            print("登录成功!")
         break
@@ -10,4 +13,7 @@ while True:
            print("用户名不存在,请重新输入:")
         else:
            print("密码有误,请重新输入:")
+    else:
+        print("次数已用完，拿上身份证上我司")
+    exec() 
 print("欢迎来到贝尔编程!")
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