Firstly, your challenge file have to be a py file which happens to be direct python file. If the file is in ipynb format, you are able to convert it to py form by utilizing the line of code beneath: 安徽 北京 福建 甘肃 广东 广西 贵州 河北 河南 湖北 https://robertc219kyj3.wikijournalist.com/user