input: 
  def removeItem(input_list, item_to_remove):
      """Remove all occurrences of a specified item from the list.
      >>> removeItem([1, 2, 3, 4, 2, 5, 2], 2)
      [1, 3, 4, 5]
      >>> removeItem([1, 2, 3, 4, 5], 6)
      [1, 2, 3, 4, 5]
      >>> removeItem([], 2)
      []
      """
      return [i for i in input_list if i != item_to_remove]
  
output:     return [i for i in input_list if i != item_to_remove]