code: def horiz_div(col_widths, horiz, vert, padding):
      
      horizs = [horiz * w for w in col_widths]
      div = ''.join([padding * horiz, vert, padding * horiz])
      return div.join(horizs)
docs: Create the column dividers for a table with given column widths.
  
      col_widths: list of column widths
      horiz: the character to use for a horizontal divider
      vert: the character to use for a vertical divider
      padding: amount of padding to add to each side of a column