问如何用python语言在bot中显示自适应卡

EN

async def on_message_activity(self, turn_context: TurnContext):
    card = AdaptiveCard()


    card.add(TextBlock(text="0.45 miles away", separator="true", spacing="large"))
    # add column set
    card.add(ColumnSet())

    # First column contents
    card.add(Column(width=2))
    card.add(TextBlock(text="BANK OF LINGFIELD BRANCH"))
    card.add(TextBlock(text="NE Branch", size="ExtraLarge", weight="Bolder"))
    card.add(TextBlock(text="4.2 stars", isSubtle=True, spacing="None"))
    card.add(TextBlock(text=f"Some review text for illustration", size="Small"))

    # Back up to column set
    card.up_one_level() 

    # Second column contents
    card.add(Column(width=1))
    card.add(Image(url="https://s17026.pcdn.co/wp- 
    content/uploads/sites/9/2018/08/Business-bank-account-e1534519443766.jpeg"))

    # Serialize to a json payload with a one-liner
    await card.to_json()