Skip to content


Find all matching indexes

Finds the indexes of all elements in the given list that satisfy the provided testing function.

def find_index_of_all(lst, fn):
  return [i for i, x in enumerate(lst) if fn(x)]

find_index_of_all([1, 2, 3, 4], lambda n: n % 2 == 1) # [0, 2]

More like this

Start typing a keyphrase to see matching snippets.