My solution for a guided project: Finding the best Markets to Advertise in

Hello all,

I would like to share my approach for a guided project: ‘Finding the best Markets to Advertise in’.
What could I improve? What do you find the most interesting? Please let me know what do you think about it.

link to the guided project: https://app.dataquest.io/m/310/guided-project%3A-finding-the-best-markets-to-advertise-in/1/finding-the-best-two-markets-to-advertise-in
my project: 12_DQ_Finding_the_Best_Markets.ipynb (548.1 KB)
github: https://github.com/GosiaCzep/dataquest-projects/blob/master/12_DQ_Finding_the_Best_Markets.ipynb

Thank you in advance.

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