Context This is data set from JetBrains's Python Developer Survey 2017, I have cleaned column names of Raw CSV file Content Data set comprises of: What secondary language developers use alongside python? What purpose they use python for? What text editor/IDE they use for python development? Age range of developers Accompanied is a "PDF" file listing the questions asked in the survey NOTE: - There is separate column for programming languages used alongside python due to a reason that you could've choosen multiple options for question "What programming language do you use?" and its same for text editors/IDEs So you can''t melt it. - For the question "Is Python the main language you use for your current projects?