List Slices

October 27, 2020

During some recent personal programming, I needed a function to slice a list into pieces: Given a list of sub-list lengths, and an input list to be sliced, return a list of sub-lists of the requested lengths. For instance:, slicing the list (1 2 2 3 3 3) into sub-lists of lengths (1 2 3) returns the list of sub-lists ((1) (2 2) (3 3 3)). Extra list elements at the end of the input list are ignored, missing list elements at the end of the input list are returned as null lists.

Your task is to write a program that slices lists into sub-lists according to a specification of sub-list lengths. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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