save project

diy2.py

@@ -2,7 +2,13 @@ username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
+    if not name == username:
+        print("用户名错误!请重新输入")
+        continue
     password = input("请输入密码:")
     password = input("请输入密码:")
+    if not password == userpassword:
+        print("密码错误!请重新输入")
+        continue
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break