input: from typing import List
  
  
  def clean_html_tags(html_str: str) -> str:
      """Clean a string of HTML tags from a given input.
      >>> clean_html_tags("<p>This is a <b>test</b> string</p>")
      'This is a test string'
      >>> clean_html_tags("<div>Another <i>sample</i> input</div>")
      'Another sample input'
      """
output:     import re
      clean_text = re.sub(r'<.*?>', '', html_str)
      return clean_text