Numpy, Pandas and Matplotlib are the three pillars which support Scientific Computing in Python. Pandas depends on Numpy for speed but Pandas provides a better user experience for data analysis. Both of Numpy and Pandas depend on Matplotlib to create effective visualizations and convey your results. more

Your scripts will eventually grow into a package. Your package needs to be user-friendly to get more people to use it. Your package might grow big in order to address everyone’s needs. entry_points make your package more accessible. entry_points help you add functionality without adding almost any extra code. more

Writing a script that does something amazing is not enough to get people to use it, it needs to be packaged so that it’s easy to install, it needs to be open sourced so that it will live longer than you will, it needs to be tested continuously and it needs to have user-friendly documentation. This is what all of the popular Python packages have in common. more