Check if String is Valid XML using Python

xml.etree.ElementTree.fromstring function and error handling

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import xml.etree.ElementTree as elementTree


def isXml(value):
    try:
        elementTree.fromstring(value)
    except elementTree.ParseError:
        return False
    return True


print(isXml('<persons><person><name>John</name></person></persons>'))
print(isXml('<value>1</value><value>2</value>'))