union
union(x, y)
Performs the union of two lists
Args: x (List): a List with atomic elements y (List): a List with atomic elements
Returns: a list with unique elements in x and y together
Examples: >>> from rlike import * >>> x = [1, 2, 3, 3] >>> y = [3, 4, 6] >>> union(x, y) [1, 2, 3, 4, 6]