from bitmart.api_spot import APISpot

if __name__ == '__main__':

  api_key = 'Your API KEY'

  secret_key = 'Your Secret KEY'

  memo_key = 'Your Memo'

  spotAPI  = APISpot(api_key, secret_key, memo, timeout = (3,10))

  spotAPI.post_submit_limit_buy_order('BTC_USDT',size = '0.01',price = '8800')