Simple “counter” in Python

Question

I need to make a simple \'counter\' in Python for a project. I need to count in a list like:

[0,0,0,0]
[1,0,0,0]
[1,1,0,0]
[2,1,0,0]
[1,1,1,0]
[2,1,1,0]
[2,2,