save project

diy2.py

@@ -2,9 +2,10 @@ username = "python"
 userpassword = "123456"
 while True:
     name = input("请输入用户名:")
-    password = input("请输入密码:")
     if name!=username:
         print("用户名不存在,请重新输入")
+    else :
+        password = input("请输入密码:")
         if password!=userpassword:
             print("密码错误,请重新输入")
     if name == username and password == userpassword: