code: def unindent(lines):
      '''Convert an iterable of indented lines into a sequence of tuples.
  
      The first element of each tuple is the indent in number of characters, and
      the second element is the unindented string.
  
      Args:
          lines: A sequence of strings representing the lines of text in a docstring.
  
      Returns:
          A list of tuples where each tuple corresponds to one line of the input
          list. Each tuple has two entries - the first is an integer giving the
          size of the indent in characters, the second is the unindented text.
      '''
      unindented_lines = []
      for line in lines:
          unindented_line = line.lstrip()
          indent = len(line) - len(unindented_line)
          unindented_lines.append((indent, unindented_line))
      return unindented_linef unindent(lines):
      '''Convert an iterable of indented lines into a sequence of tuples.
  
      The first element of each tuple is the indent in number of characters, and
      the second element is the unindented string.
  
      Args:
          lines: A sequence of strings representing the lines of text in a docstring.
  
      Returns:
          A list of tuples where each tuple corresponds to one line of the input
          list. Each tuple has two entries - the first is an integer giving the
          size of the indent in characters, the second is the unindented text.
      '''
      unindented_lines = []
      for line in lines:
          unindented_line = line.lstrip()
          indent = len(line) - len(unindented_line)
          unindented_lines.append((indent, unindented_line))
      return unindented_lines
docs: Convert an iterable of indented lines into a sequence of tuples.
  
      The first element of each tuple is the indent in number of characters, and
      the second element is the unindented string.
  
      Args:
          lines: A sequence of strings representing the lines of text in a docstring.
  
      Returns:
          A list of tuples where each tuple corresponds to one line of the input
          list. Each tuple has two entries - the first is an integer giving the
          size of the indent in characters, the second is the unindented text.