docs: def get_terminal_width():
      """ -> #int width of the terminal window """
      # http://www.brandonrubin.me/2014/03/18/python-snippet-get-terminal-width/
      command = ['tput', 'cols']
      try:
          width = int(subprocess.check_output(command))
      except OSError as e:
          print(
              "Invalid Command '{0}': exit status ({1})".format(
                  command[0], e.errno))
      except subprocess.CalledProcessError as e:
          print(
              "'{0}' returned non-zero exit status: ({1})".format(
                  command, e.returncode))
      else:
          return width