code: def format_lines(var_name, seq, raw=False, indent_level=0):
      
      lines = []
      base_indent = ' ' * indent_level * 4
      inner_indent = ' ' * (indent_level + 1) * 4
      lines.append(base_indent + var_name + ' = (')
      if raw:
          # These should be preformatted reprs of, say, tuples.
          for i in seq:
              lines.append(inner_indent + i + ',')
      else:
          for i in seq:
              # Force use of single quotes
              r = repr(i + '"')
              lines.append(inner_indent + r[:-2] + r[-1] + ',')
      lines.append(base_indent + ')')
      return '\n'.join(lines)
docs: Formats a sequence of strings for output.