from CommonServerPython import *


def sum_value(value):
    if isinstance(value, float):
        return value

    if isinstance(value, str):
        try:
            value = [float(item) for item in value.split(",")]
        except ValueError:
            return "error", "error"

    elif isinstance(value, list):
        try:
            value = [float(item) for item in value]
        except ValueError:
            return "error", "error"

    result = sum(value)
    return result, "ok"


def main():
    value = demisto.args()["value"]
    result, return_type = sum_value(value)

    if return_type == "error":
        return_error("This transformer applies only to list of numbers.")
    demisto.results(result)


# python2 uses __builtin__ python3 uses builtins
if __name__ == "__builtin__" or __name__ == "builtins":
    main()