save project

diy1.py

-
 username="python"
 username="python"
 userpassword="123456"
 userpassword="123456"
 while True:
 while True:
     name=input("请输入账号名：")
     name=input("请输入账号名：")
-    password=input("请输入密码：")
-    if name== username and  password== userpassword:
-        print("登陆成功")
-        break
     if  name != username:
     if  name != username:
         print("用户名错误,请重新登陆")
         print("用户名错误,请重新登陆")
+        continue
+    password=input("请输入密码：")
     if  password != userpassword:
     if  password != userpassword:
         print("用户名错误,请重新登陆") 
         print("用户名错误,请重新登陆") 
-    print("请重新登陆")
+        continue
+    print("登陆成功")
+    break
 print("欢迎来到贝尔编程！") 
 print("欢迎来到贝尔编程！") 
\ No newline at end of file