HTML Parser - Part 1 HackerRank Problem

This Python program is designed to parse HTML input. It uses the HTMLParser module from Python's standard library to read HTML tags and their attributes. The program reads a number of lines of HTML code, then processes each line to identify and print the start tags, end tags, and empty tags, along with their attributes.

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Here is the HTML Parser - Part 1 HackerRank Problem HackerRank solution using CodeRankGPT:

The solution works by creating a custom HTML parser that extends Python's built-in HTMLParser class. The custom parser overrides the handle_starttag, handle_endtag, and handle_startendtag methods to print the tag names and attributes. The handle_attr method is used to print the attributes of a tag. The parser reads a number of lines of HTML code, joins them into a single string, and feeds the string to the parser. The parser then processes the string and prints the tags and their attributes.


from html.parser import HTMLParser

class CustomHTMLParser(HTMLParser):
    def handle_attr(self, attrs):
        for attr_val_tuple in attrs:
            print("->", attr_val_tuple[0], ">", attr_val_tuple[1])

    def handle_starttag(self, tag, attrs):
        print("Start :", tag)
        self.handle_attr(attrs)

    def handle_endtag(self, tag):
        print("End   :", tag)

    def handle_startendtag(self, tag, attrs):
        print("Empty :", tag)
        self.handle_attr(attrs)


parser = CustomHTMLParser()

n = int(input())

s = "".join(input() for _ in range(n))
parser.feed(s)

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