save project

diy2.py

 username = "python"
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
+    a = input("请输入用户名:")
+    b = input("请输入密码:")
+    if a == username and b == userpassword:
         print("登陆成功")
         break
-    if a!=username：
+    if a!=username:
         print("账号输入错误")
     if b!=userpassword:
         print("密码输入错误")