First, fork this Repo, then go to your forked respository and clone it into your computer using: git clone that Address
Then before adding your files inside this folder, run this: git pull origin master
git pull origin master
Then add your assignment inside the folder Assignment1 call it Assignment1_Mrossi.py
Then: git add *
git commit -m "adding assignment "
git push
Finally, once it is added go to the pull request tab (in your own forked repsoitory and choose New pull request, then write a message and title and click create pull request and you are done !!
IF you want to remove a file, just deleting and commiting is not enough !!! after you deleted it, you need to remove it by force!!
git rm nameOFTheFile.py
if it is a folder : git rm -r nameOFtheFOlder