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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_default_ssl_version():
 """Get the highest support TLS version, if none is available, return None. :rtype: bool|None """

    if hasattr(ssl, 'PROTOCOL_TLSv1_2'):
        return ssl.PROTOCOL_TLSv1_2
    elif hasattr(ssl, 'PROTOCOL_TLSv1_1'):
        return ssl.PROTOCOL_TLSv1_1
    elif hasattr(ssl, 'PROTOCOL_TLSv1'):
        return ssl.PROTOCOL_TLSv1
    return None