save project

diy2.py

 username = 'python'
 username = 'python'
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    username=input('输入账号:')
-    userpassword=input('输入密码:')
-    if username==a and userpassword==b:
+    a=input('输入账号:')
+    b=input('输入密码:')
+    if a==username and b==userpassword:
         input("登录成功:")
         input("登录成功:")
         break
         break
-    if name != username:
-        print()("用户名错误！请重新输入")
-    if password != userpassword:
-        print()("密码错误!请重新输入")
+    if a != username:
+        print("用户名错误！请重新输入")
+    if b != userpassword:
+        print("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