> why isn’t there a function to flatten a list in Python? After a decade of writing and maintaining Python, I've never needed to flatten a list. > can write s

> why isn’t there a function to flatten a list in Python? After a decade of writing and maintaining Python, I've never needed to flatten a list. > can write software in Scala I have seen projects in Scala and can't make sense of the types or data flow. When I show non Python programmers a snippet of Python they have a good chance of getting the sense of it.