def take_transcript_id_without_version(full_id):
    """Returns transcript id without version and everything which is after version separating comma.

    Example:
        Input: ESNT_0001.4
        Output: ESNT_0001

        Input: ESNT_0002.2.some_annotation
        Output: ESNT_0002

    """
    return full_id.split('.')[0]