save project

diy1.py

-username="python"
+username=" "
 userpassword=" "
 userpassword=" "
 while True:
 while True:
     name=input("请输入用户名：")
     name=input("请输入用户名：")
@@ -6,9 +6,9 @@ while True:
     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:
+    if name!=username:
         print("用户名不存在！请重新输入")
         print("用户名不存在！请重新输入")
-    if password==userpassword:
+    if password!=userpassword:
         print("密码输入错误！请重新输入")
         print("密码输入错误！请重新输入")
     print("用户名和密码错误！请重新输入")
     print("用户名和密码错误！请重新输入")
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
\ No newline at end of file