input: Write a function named removeItem that takes a list and an item to remove as arguments and returns a list with all occurrences of the specified item removed.
  assert removeItem([1, 2, 3, 4, 2, 5, 2], 2) == [1, 3, 4, 5]
  assert removeItem([], 2) == []
  assert removeItem([1, 3, 4, 5], 2) == [1, 3, 4, 5]
  assert removeItem([2, 2, 2, 2], 2) == []
  assert removeItem([1, 2, 3, 4, 5], 5) == [1, 2, 3, 4]
output: def removeItem(lst, item):
      return [x for x in lst if x != item]