应用: 百度地图
任务: 打开百度地图，进入打车，输入起点“中关村”，终点“故宫”
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: TYPE
type_text: 故宫