How to use arrays in Python To create an array in Python, we can use a type of variable called a “dictionary.” This is an associative array, meaning that it is made of value/key pairs.

This post explains how to write to a file in Python. You'll discover how to create word files (.docx), spreadsheets (.csv), text files, and more!

If we wanted to transpose the axes of this array in Python, we’d need to write a loop of some kind. NumPy allows us to do this kind of operation with a single command: x2 = np.transpose(x1) ...