save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
+    name=input("请输入用户名:")
+    password=input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    if name != username:
+    if name!=username:
         print("用户名不存在，请重新登录！")
         print("用户名不存在，请重新登录！")
         continue
         continue
-    if password != userpassword:
+    if password!=userpassword:
     print("密码错误!请重新输入")
     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!")
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