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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 convert_to_output_format(param):
 """ Helper function to convert parameters to a valid string, that can be used in a column name. Does the opposite which is used in the from_columns function. The parameters are sorted by their name and written out in the form If a <param_value> is a string, this method will wrap it with parenthesis ", so "<param_value>" :param param: The dictionary of parameters to write out :type param: dict :return: The string of parsed parameters :rtype: str """


    def add_parenthesis_if_string_value(x):
        if isinstance(x, string_types):
            return '"' + str(x) + '"'
        else:
            return str(x)

    return "__".join(str(key) + "_" + add_parenthesis_if_string_value(param[key]) for key in sorted(param.keys()))