30-seconds-of-code/for_each_right.md

title, tags

title	tags
for_each_right	list,beginner

Executes the provided function once for each list element, starting from the list's last element.

Use a for loop in combination with slice notation to execute fn for each element in itr, starting from the last one.

def for_each_right(itr, fn):
  for el in itr[::-1]:
    fn(el)

for_each_right([1, 2, 3], print)  # 3 2 1