by python

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 use it. Hint: for making your package and uploading it to (test.pypi.org) refer to the following link (click here)