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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 contains_is_html(cls, data):
 """ Detect if the problem has at least one "xyzIsHTML" key """

        for key, val in data.items():
            if isinstance(key, str) and key.endswith("IsHTML"):
                return True
            if isinstance(val, (OrderedDict, dict)) and cls.contains_is_html(val):
                return True
        return False