Question about learning Python

Hi everyone,

I am actually asking this question for a friend who is considering entering the tech field and I thought treehouse might be a way for her to go to get her feet wet with the skills. She has a Masters in Environmental Sciences and was looking at going into the Scientific software development or research programming side of things which Python seems to be the main language for that. She knows some HTML, but is wondering if she need to learn more HTML or anything else or can she just dive straight into Python. Also, since there is no backend developer or software track to guide you through step by step which do you recommend learning Python first and then going to flask and django or start with flask and django then doing python. I know nothing about these programming and back end development languages to tell her. She is looking to get a good grasp of the languages so she can pursue other opportunities within the sciences. Any advice from anyone in python or scientific programming or software development would be greatly appreciated.