docs: def build_paragraph(content, hard_breaks=False):
    """
    Returns *content* wrapped in `<p>` tags.
  
    If *hard_breaks* is `True`, all line breaks are converted to `<br />` tags.
  
    """
    lines = list(filter(None, [line.strip() for line in content.split('\n')]))
    if hard_breaks:
      for line_number in range(len(lines) - 1):
        lines[line_number] = "{}<br />".format(lines[line_number])
    return "<p>{}</p>".format('\n'.join(lines))