save project

diy3.py

@@ -3,8 +3,8 @@ userpassword = "123456"
 while True:
     username1=input("输入用户名")
     password1 = input("请输入密码:")
-    if username1=username and password1=password:
+    if username1==username and userpassword==password1:
         break
     print("输入错误，请重新输入")
-print("换用来到贝尔编程")    
+print("欢迎来到贝尔编程")