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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 get_paths_data(self):
 """Get data for each paths in the swagger specification. Get also the list of operationId. """

        for path, path_spec in self.specification['paths'].items():
            path = u'{0}{1}'.format(self.base_path, path)
            self.paths[path] = {}

            # Add path-level parameters
            default_parameters = {}
            if 'parameters' in path_spec:
                self._add_parameters(default_parameters, path_spec['parameters'])

            for http_method in path_spec.keys():
                if http_method not in self._HTTP_VERBS:
                    continue

                self.paths[path][http_method] = {}

                # Add to operation list
                action = path_spec[http_method]
                tag = action['tags'][0] if 'tags' in action.keys() and action['tags'] else None
                if 'operationId' in action.keys():
                    self.operation[action['operationId']] = (path, http_method, tag)
                else:
                    # Note: the encoding chosen below isn't very important in this
                    #       case; what matters is a byte string that is unique.
                    #       URL paths and http methods should encode to UTF-8 safely.
                    h = hashlib.sha256()
                    h.update(("{0}|{1}".format(http_method, path)).encode('utf-8'))
                    self.generated_operation[h.hexdigest()] = (path, http_method, tag)

                # Get parameters
                self.paths[path][http_method]['parameters'] = default_parameters.copy()
                if 'parameters' in action.keys():
                    self._add_parameters(self.paths[path][http_method]['parameters'], action['parameters'])

                # Get responses
                self.paths[path][http_method]['responses'] = action['responses']

                # Get mime types for this action
                if 'consumes' in action.keys():
                    self.paths[path][http_method]['consumes'] = action['consumes']