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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 executeTask(self, inputs, outSR=None, processSR=None, returnZ=False, returnM=False, f="json", method="POST" ):
 """ performs the execute task method """

        params = {
            "f" : f
        }
        url = self._url + "/execute"
        params = { "f" : "json" }
        if not outSR is None:
            params['env:outSR'] = outSR
        if not processSR is None:
            params['end:processSR'] = processSR
        params['returnZ'] = returnZ
        params['returnM'] = returnM
        for p in inputs:
            if isinstance(p, BaseGPObject):
                params[p.paramName] = p.value
            del p
        if method.lower() == "post":
            return self._post(url=url,
                                 param_dict=params,
                                 securityHandler=self._securityHandler,
                                 proxy_url=self._proxy_url,
                                 proxy_port=self._proxy_port)
        else:
            return self._get(url=url,
                                 param_dict=params,
                                 securityHandler=self._securityHandler,
                                 proxy_url=self._proxy_url,
                                 proxy_port=self._proxy_port)