html parser in python to extract h1 text

html_parser.py

from html.parser import HTMLParser			#Import the parser

class HeadingParser(HTMLParser):		#create a subclass of HTMLParser which will overload handle..
    inHeading = False
    def handle_starttag(self, tag, attrs):		#Triggered when an opening tag is encountered
        if tag == "h1":						#if the tag is <h1>
            self.inHeading = True				#Change a variable which says we are in an header
            print("Found a Heading 1")
    def handle_data(self, data):				#Triggered when data found (the content of the tag)
        if self.inHeading:					#Useless, used just to filter content of h1's
            print(data)
    def handle_endtag(self, tag):				#Handle end of a tag
        if tag =="h1":						#Here if it is h1 put back "inHeading" to False
            self.inHeading = False

hParser = HeadingParser()				#Create our object
file = open("file.html", "r")			#Open the file
html = file.read()						#Read entirely the file
file.close()						#Close the file
hParser.feed(html)					#Parse the file contained in the var "html"