This post shows you how to use arrays in Python and why this data structure is so useful. A foundational skill for data science, coding, and more!

For 2D numpy arrays, however, it's pretty intuitive! The indexes before the comma refer to the rows, while those after the comma refer to the columns. The : is for slicing; in this example, it tells ...

If removing multiple elements from an array, it seems like yq is computing where they are before doing any of the modifications, then removing those indicies, but as they get removed, the ...