[nickjj]

> Other languages may provide specific data-structures for this purpose, such as ropes, but in a nutshell that’s all there is to it.

I never had to think of anything like this in Python. The intuitive / easiest to read code usually ended up being efficient enough that I didn't need to even think about improving the performance.

[nomacrospls]

Sure, my comment was specific to functional languages, and Python isn’t one.