import numpy
import pandas as pd
def main():
x = 0
while x == 0:
exchange.SetContractType(“m888”)
record = exchange.GetRecords()
data = pd.DataFrame(record)
Log ((“Beginning time:”, “Beginning time:”, “Beginning time:”, “_D(data[‘Time’][1]/1000))
Log “Terakhir dikunjungi:”,_D(data[‘Time’][-1]/1000))
x = x + 1
![Mengapa menukar rekod kepada format DataFrame panda, data.Masa[1] boleh dipaparkan, manakala data.Masa[-1] akan melaporkan ralat.](/upload/asset/2223b5f6625b0882a1018.png)