save project

diy2.py

 username = "asd"
 userpassword = "123456"
 while True:
+    if i > 0:
     name = input("请输入用户名:")
     password = input("请输入密码:")
+    i-=1
     if name == username and password == userpassword:
         print("登录成功!")
         print("用户名和密码错误!请重新输入")
         break
-    elif name !=username:
+    elif:
+        if name !=username:
         print("欢迎来到贝尔编程!")
         continuee
-    else:
+        else:
         print("欢迎来到贝尔编程!")
-        continuee
\ No newline at end of file
+        continuee
+    else:
+         print()
+
+         exit( )
+
+
+
+
+
+
+
+
+
+
+