input: from typing import List
  
  def html_to_text(html_string: str) -> str:
      """Converts an HTML string to plain text by removing all HTML tags.
      >>> html_to_text('<p>Hello, World!</p>')
      'Hello, World!'
      >>> html_to_text('<b>Bold</b> <i>Italic</i>')
      'Bold Italic'
      """
output:     import re
      return re.sub(r'<[^>]+>', '', html_string)