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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 cancelall(ctx, market, account):
 """ Cancel all orders of an account in a market """

    market = Market(market)
    ctx.bitshares.bundle = True
    market.cancel([x["id"] for x in market.accountopenorders(account)], account=account)
    print_tx(ctx.bitshares.txbuffer.broadcast())