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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 get_git_tag(hash_, git_path='git'):
 """Returns the name of the current git tag """

    tag, status = call((git_path, 'describe', '--exact-match',
                        '--tags', hash_), returncode=True)
    if status == 0:
        return tag
    else:
        return None