beginner in python having 7 years of experience in php. My requirement is to build a web application [on hold]

beginner in python having 7 years of experience in PHP. My requirement is to build a web application with features like 1. login user 2. search with a specific string throughout the page and get the respective href="URL" and grade page content from the searched URL.

please suggest python version and IDE where we can work comfortably.