save project

diy2.py

-username = "python"
-userpassword = "123456"
+a= "a"
+b= "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
+    c = input("请输入用户名:")
+    d = input("请输入密码:")
+    if c == a and d == b:
         print("登录成功!")
         print("登录成功!")
         break 
         break 
-if name = 
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    if c != a :
+        print("用户名错误!请重新输入")
+    if d != b :
\ No newline at end of file
+        print("密码输入错误！请重新输入")
\ No newline at end of file