If you love to code Python and now have going to pandas with python and need to insert what you have in pandas into a database eg. mongodb, then i will show you how you can open XLS files with pandas into python and how you can insert your data into mongodb again.
its a very effective way to load much data handle it and then return it agin into a database if you are using pandas in python to handle big data.
this pandas tutorial video is for you there already know python and need a beginner tutorial video to pandas.