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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 write_temp_bird_conf(dummy_ip_prefix, config_file, variable_name, prefixes):
 """Write in a temporary file the list of IP-Prefixes. A failure to create and write the temporary file will exit main program. Arguments: dummy_ip_prefix (str):
 The dummy IP prefix, which must be always config_file (str):
 The file name of bird configuration variable_name (str):
 The name of the variable set in bird configuration prefixes (list):
 The list of IP-Prefixes to write Returns: The filename of the temporary file """

    log = logging.getLogger(PROGRAM_NAME)
    comment = ("# {i} is a dummy IP Prefix. It should NOT be used and "
               "REMOVED from the constant.".format(i=dummy_ip_prefix))

    # the temporary file must be on the same filesystem as the bird config
    # as we use os.rename to perform an atomic update on the bird config.
    # Thus, we create it in the same directory that bird config is stored.
    tm_file = os.path.join(os.path.dirname(config_file), str(time.time()))
    log.debug("going to write to %s", tm_file)

    try:
        with open(tm_file, 'w') as tmpf:
            tmpf.write("# Generated {t} by {n} (pid={p})\n"
                       .format(t=datetime.datetime.now(),
                               n=PROGRAM_NAME,
                               p=os.getpid()))
            tmpf.write("{c}\n".format(c=comment))
            tmpf.write("define {n} =\n".format(n=variable_name))
            tmpf.write("{s}[\n".format(s=4 * ' '))
            # all entries of the array need a trailing comma except the last
            # one. A single element array doesn't need a trailing comma.
            tmpf.write(',\n'.join([' '*8 + n for n in prefixes]))
            tmpf.write("\n{s}];\n".format(s=4 * ' '))
    except OSError as error:
        log.critical("failed to write temporary file %s: %s. This is a FATAL "
                     "error, this exiting main program", tm_file, error)
        sys.exit(1)
    else:
        return tm_file