save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
         if name == username and password == userpassword:
@@ -9,4 +10,5 @@ while True:
         elif print("用户不存在")
         elif print("用户不存在")
         else password != userpassword:
         else password != userpassword:
             print("密码错误!请重新输入")
             print("密码错误!请重新输入")
+            exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file