save project

diy1.py

 vsername="python"
 vsername="python"
 userpassword="12345"
 userpassword="12345"
-name=input("请输入账号")
-password=input("请输入密码")
-if name ==username and password==userpassword:
+while True:
+    name=input("请输入账号")
+    password=input("请输入密码")
+    if name ==username and password==userpassword:
         print("登录成功")
         print("登录成功")
-else:
-    print("登录失败")
+        break
+    print("账号密码错误")
\ No newline at end of file
+print("欢迎来到")
+
+    
\ No newline at end of file