30-seconds-of-code/snippets/is_contained_in.md

title, tags, expertise, firstSeen, lastUpdated

title	tags	expertise	firstSeen	lastUpdated
List is contained in other list	list	intermediate	2020-03-16T19:48:15+02:00	2021-01-07T23:30:28+02:00

Checks if the elements of the first list are contained in the second one regardless of order.

• Use count() to check if any value in a has more occurrences than it has in b.
• Return False if any such value is found, True otherwise.

def is_contained_in(a, b):
  for v in set(a):
    if a.count(v) > b.count(v):
      return False
  return True

is_contained_in([1, 4], [2, 4, 1]) # True