agoops

with open('test.csv', 'w') as f:
    writer = csv.writer(f , lineterminator='\n')
    for tup in gdax_times_trades:
        writer.writerow(tup)
    

agoops

gdax_times_trades = []
for msg in gdax_stream_json_msgs:
    if msg['type'] == 'trade':
        msg_time = pd.to_datetime(msg['time'])
        msg_price = float(msg['price'])
        gdax_times_trades.append( (msg_time, msg_price) )