input: def remove_item(lst: list, item: int) -> list:
      """ Remove all occurrences of a specified item from a list.
      >>> remove_item([1, 2, 3, 4, 2, 5, 2], 2)
      [1, 3, 4, 5]
      >>> remove_item([5, 5, 5, 5, 5], 5)
      []
      >>> remove_item([1, 2, 3, 4, 5], 6)
      [1, 2, 3, 4, 5]
      """
      return [x for x in lst if x != item]
output:     return [x for x in lst if x != item]