input: Write a python function to get the first and last colors from a list.
  assert get_first_last_colors(['Red', 'Green', 'White', 'Black']) == ('Red', 'Black')
  assert get_first_last_colors(['Blue', 'Yellow', 'Purple']) == ('Blue', 'Purple')
  assert get_first_last_colors(['Orange']) == ('Orange', 'Orange')
output: def get_first_last_colors(color_list):
      return (color_list[0], color_list[-1])