from random import randint
from datetime import datetime
import json

# constant settings
a = json.load(open('settings.json', 'r'))
sens = len(a['sensor_ports'])
fileName = a["file_name"]
numberofsensors = len(a['sensor_ports'])

for i in range(1000):
    f = open(fileName, 'a')
    f.write(", ".join([datetime.now().strftime('%H:%M:%S')] + [str(randint(1, 1000)) for j in range(numberofsensors)]) + '\n')
    f.close()