List is contained in other list
Checks if the elements of the first list are contained in the second one regardless of order.
- Use
count()
to check if any value ina
has more occurrences than it has inb
. - 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