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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 delete(self, url, callback, json=None):
 """Delete a URL. Args: url(string):
 URL for the request callback(func):
 The response callback function Keyword Args: json(dict):
 JSON body for the request Returns: The result of the callback handling the resopnse from the executed request """

        return self.adapter.delete(url, callback, json=json)