input: 
  import re
  
  # Clean a string of HTML tags 
  def clean_html_tags(str):
      clean_str = re.sub("<.*?>", "", str)
      return clean_str
  
  html_string = "<p>This is a <b>test</b> string</p>"
  
  clean_str = clean_html_tags(html_string)
  
  print(clean_str) # This is a test string
  
output:     
      return clean_str
  