in python please

Create a module named grades that has two functions: 1. Function calculate and return letter grade and weighted grade from 100 -scale grade. 2. Function calculate and return the semester and overll GPA. include this module in a package and upload it to test,pypi.org index in order to allow others to install it and Hint for making your package and uploading it to (test,pypi.org) refer to the following link (click here)