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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 render_pep440_branch_based(pieces):
 """Build up version string, with post-release "local version identifier". Our goal: TAG[+DISTANCE.BRANCH_gHEX[.dirty]] . Note that if you get a tagged build and then dirty it, you'll get TAG+0.BRANCH_gHEX.dirty Exceptions: 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.BRANCH_gHEX[.dirty] """

    replacements = ([' ', '.'], ['(', ''], [')', ''], ['\\', '.'], ['/', '.'])
    branch_name = pieces.get('branch') or ''
    if branch_name:
        for old, new in replacements:
            branch_name = branch_name.replace(old, new)
    else:
        branch_name = 'unknown_branch'

    if pieces["closest-tag"]:
        rendered = pieces["closest-tag"]
        if pieces["distance"] or pieces["dirty"]:
            rendered += '.dev0' + plus_or_dot(pieces)
            rendered += "%d.%s.g%s" % (
                pieces["distance"],
                branch_name,
                pieces['short']
            )
            if pieces["dirty"]:
                rendered += ".dirty"
    else:
        # exception #1
        rendered = "0+untagged.%d.%s.g%s" % (
            pieces["distance"],
            branch_name,
            pieces['short']
        )
        if pieces["dirty"]:
            rendered += ".dirty"
    return rendered