$ pip install line-bot-sdk
$ pip install flask
$ cd ~/duckietown/catkin_ws/src
$ git clone https://github.com/pete710592/linebot.git
$ git clone https://github.com/pete710592/hbc_msgs.git
mail_trigger.py目前是用來「觸發」Linebot用的
他會產生選項讓使用者選擇，當使用者決定好要哪個選項時，會觸發到app.py內的內容
1. Line17
title='Duckiebot #01'我目前是假定一個機器人做問問題的動作
2. Line21,26
PostbackTemplateAction(
label='drop it for me', # displayed on the screen
text='action #101', # after push the button, displayed in the dialog
data='action=buy&itemid=1'
),
MessageTemplateAction(
label='get it by myself', # displayed on the screen
text='action #102' # after push the button, displayed in the dialog
)PostbackTemplateAction,MessageTemplateAction 這兩個功能不知道差在哪，還要查
3. Line18
text='You have 2 mails. \nWhat can I do for you?'目前暫時先假定有2封信，到時候會有幾封信是需要接收的還要再改(subscribe)
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