save project

diy1.py

 usename="wangyuhao"
 usename="wangyuhao"
 usepassword="123456789"
 usepassword="123456789"
-name=input("请输入账号:")
-password=input("请输入密码:")
-if name==usename and password==usepassword:
-    print("登陆成功") 
+while True:
+        name=input("请输入账号:")
+        password=input("请输入密码:")
+        if name==usename and password==usepassword:
+            print("登陆成功")
+            break
+        
+        print("输入错误，请重新输入")
+print("欢迎")