code: def create_task(self, subject, desc):
          
          task = zobjects.Task()
          task_creator = task.to_creator(subject, desc)
          resp = self.request('CreateTask', task_creator)
          task_id = resp['calItemId']
          return task_id
docs: Create a task
  
          :param subject: the task's subject
          :param desc: the task's content in plain-text
          :returns: the task's id