( Image Credits:  All screenshots and visualizations were created by the author.) When I started my journey into Python, I had a very specific image in my head of what "coding" looked like. I imagined Matrix-style green text raining down a black screen. I imagined complex algorithms and instantaneous results. And, to be honest, the reality wasn't far off—at first. I fell in love with Jupyter Notebooks . It was the perfect sandbox. I could write a chunk of code, press Shift +