Multi-dimensional lists Python Tutorial

In this Python 3 tutorial, we cover the concept of multi-dimensional lists. Multi dimensional lists are lists within lists, or lists within lists within lists... you get the point. It can get very confusing very fast, but it is good to know that it is an option. Usually a dictionary will be the better choice rather than a multi-dimensional list in Python, but, if you are familiar with multi-dimensional arrays in other languages, you might want to continue that concept in Python.

Lists that we have covered so far have all been 1 dimensional, but you can have lists within lists within lists within lists if you want.

We already know how to reference elements in a list, we can do:

x = [[2,6],[6,2],[8,2],[5,12]]

We can also take this deeper since we have more dimensions now:


This can go on indefinitely with very thick lists. You might see how this can quickly get messy, so let's consider how to properly display lists in code that have many dimensions. You might not typically hard code multi-dimensional lists, but there are some instances where you will.

y = [[5,2],

This is slightly cleaner, and python automatically understands it:


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