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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 add_release_to_changelog(version):
 """Add release line at the top of the first list it finds Assumes your changelog in managed with `releases`"""

    temp_file = changelog_file().parent / ("~" + changelog_file().name)
    now = datetime.today()
    release_added = False
    with open(str(temp_file), 'w') as g:
        with open(str(changelog_file()), 'r') as f:
            for line in f:
                list_match = list_match_re.match(line)
                if list_match and not release_added:
                    release_line = "{}{} :release:`{} <{}-{:02}-{:02}>`".format(
                                        list_match.group("leading"),
                                        list_match.group("mark"),
                                        version, now.year, now.month, now.day)
                    print(release_line, file=g)
                    release_added = True
                print(line, file=g, end="")
            if not release_added:
                release_line = "{}{} :release:`{} <{}-{:02}-{:02}>`".format(
                                " ", "-", version, now.year, now.month, now.day)
                print(release_line, file=g)
        print('', file=g)  # add a blank line at the end of the file
    shutil.copyfile(str(temp_file), str(changelog_file()))
    os.remove(str(temp_file))