save project

diy2.py

-username = "python"
-userpassword = "123456"
 while True:
 while True:
     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:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    if name != username:
-        print("账号错误")
-        continue
-    if password != userpassword:
-        print("密码错误")
+    while True:
+        if name != username:
+            print("账号错误")
+            break
+        if password != userpassword:
+            print("密码错误")
+            break
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
     
     
\ No newline at end of file