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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 find_task(self, name):
 """ Find a task by name. If a task with the exact name cannot be found, then tasks with similar names are searched for. Returns ------- Task If the task is found. Raises ------ NoSuchTaskError If the task cannot be found. """


        try:
            return self.tasks[name]
        except KeyError:
            pass

        similarities = []

        for task_name, task in self.tasks.items():
            ratio = SequenceMatcher(None, name, task_name).ratio()
            if ratio >= 0.75:
                similarities.append(task)

        if len(similarities) == 1:
            return similarities[0]
        else:
            raise NoSuchTaskError(similarities)