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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def can_fetch(self, useragent, url):
 """using the parsed robots.txt decide if useragent can fetch url"""

        if self.disallow_all:
            return False
        if self.allow_all:
            return True
        # search for given user agent matches
        # the first match counts
        parsed_url = urllib.parse.urlparse(urllib.parse.unquote(url))
        url = urllib.parse.urlunparse(('','',parsed_url.path,
            parsed_url.params,parsed_url.query, parsed_url.fragment))
        url = urllib.parse.quote(url)
        if not url:
            url = "/"
        for entry in self.entries:
            if entry.applies_to(useragent):
                return entry.allowance(url)
        # try the default entry last
        if self.default_entry:
            return self.default_entry.allowance(url)
        # agent not found ==> access granted
        return True