remove_all_copy

Returns a new set containing the elements of this set, but without any elements that occur in the given collection.

a.remove_all_copy(b) is equivalent to a - b, where a and b are sets.

Examples:

• set([1]).remove_all_copy(set([1])) returns set([])

• set([1, 2, 3]).remove_all_copy(set([2, 3, 4])) returns set([1])

Parameters