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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(dson_input, saltenv='base', sls='', **kwargs):
    '''
    Accepts DSON data as a string or as a file object and runs it through the
    JSON parser.

    :rtype: A Python data structure
    '''
    if not isinstance(dson_input, six.string_types):
        dson_input = dson_input.read()

    log.debug('DSON input = %s', dson_input)

    if dson_input.startswith('#!'):
        dson_input = dson_input[(dson_input.find('\n') + 1):]
    if not dson_input.strip():
        return {}
    return dson.loads(dson_input)