Converting to a list and sort

[perfringo]

What does that do? Is chunk a reserved word in python?

No, chunk is not keyword in Python. If one splits w on whitespace the resulting items in list are not words nor numbers hence name chunk. Alternative names could have been item or el (element).

In English (using item instead of chunk): “give me slice of item starting at index 3 converted to integer and multiplied with 100 for every item in list created by splitting w if item starts with one of specific three letter combinations”