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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 is_valid(url, fix=True):
 """ Returns True if this is what we consider to be a valid URL. A valid URL has: * http OR https scheme * a valid TLD If there is no scheme, it will check the URL assuming the scheme is http. Returns False if the URL is not valid. """


    try:
        # Convert the url to a string if we were given it as bytes.
        if isinstance(url, bytes):
            url = url.decode('ascii', errors='replace')

        # Hacky way to deal with URLs that have a username:password notation.
        user_pass_url = ''

        # Check for no scheme and assume http.
        split_url = urlsplit(url)

        # If there is no scheme, there is a higher chance that this might not actually be a URL.
        # For example, it might be something that resembles a URL that got pulled out of random bytes.
        # As such, we can probably safely exclude URLs that have unusual characters in them.
        if not split_url.scheme:
            invalid_chars = ['\'']
            if any(c in url for c in invalid_chars):
                return False

        # Append the http scheme to the URL if it doesn't have any scheme.
        if fix and not split_url.scheme:
            split_url = urlsplit('http://{}'.format(url))

        # Check for the edge case of results returned by find_urls, such as google.com URLs
        # like: http://google.com#default#userData
        if split_url.netloc and not split_url.path and split_url.fragment:
            return False

        # Check if the netloc has a ':' in it, which indicates that
        # there is a port number specified. We need to remove that in order
        # to properly check if it is a valid IP address.
        if ':' in split_url.netloc:
            netloc = split_url.netloc.split(':')[0]
        else:
            netloc = split_url.netloc

        # Make sure the URL doesn't have a \ character in it.
        if '\\' in url:
            return False

        # Some quick and dirty tests to detect invalid characters from different parts of the URL.
        # Domain names need to have only: a-z, 0-9, -, and . But due to how urlsplit works, they
        # might also contain : and @ if there is a user/pass or port number specified.
        if re.compile(r'([^a-zA-Z0-9\-\.\:\@]+)').findall(split_url.netloc):
            return False

        # Check if the valid URL conditions are now met.
        if split_url.scheme == 'http' or split_url.scheme == 'https' or split_url.scheme == 'ftp':

            # Look for the edge case of the URL having a username:password notation.
            if ':' in split_url.netloc and '@' in split_url.netloc:
                user_pass = re.compile(r'(.*?:.*?@)').findall(split_url.netloc)[0]
                user_pass_url = url.replace(user_pass, '')
                split_url = urlsplit(user_pass_url)
                netloc = split_url.netloc

            # Check the netloc. Check if it is an IP address.
            try:
                ipaddress.ip_address(netloc)
                return True
            # If we got an exception, it must be a domain name.
            except:

                # Hacky way to out which version of the URL we need to check.
                if user_pass_url:
                    url_to_check = user_pass_url
                else:
                    url_to_check = url

                # Hacky way to deal with FTP URLs since the tld package cannot handle them.
                if split_url.scheme == 'ftp':
                    url_to_check = url_to_check.replace('ftp', 'http')

                # Check the URL for a valid TLD.
                res = get_tld(url_to_check, fix_protocol=True, as_object=True)

                # The tld package likes to consider single words (like "is") as a valid domain. To fix this,
                # we want to only consider it a valid URL if there is actually a suffix. Additionally, to weed
                # out "URLs" that are probably e-mail addresses or other garbage, we do not want to consider
                # anything that has invalid characters in it.
                if res.fld and res.tld and res.domain:
                    if all(ord(c) == 45 or ord(c) == 46 or (48 <= ord(c) <= 57) or (65 <= ord(c) <= 90) or (97 <= ord(c) <= 122) for c in netloc):

                        # Finally, check if all of the characters in the URL are ASCII.
                        if all(32 <= ord(c) <= 126 for c in url):
                            return True

        # Return False by default.
        return False
    except:
        return False