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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 from_string(cls, jss, xml_string):
 """Creates a new JSSObject from an UTF-8 XML string. Args: jss: A JSS object. xml_string: String XML file data used to create object. """

        root = ElementTree.fromstring(xml_string.encode('utf-8'))
        return cls(jss, root)