import csv
import random


def main():
    fout = open("rand.csv", "w", newline='')
    writer = csv.DictWriter(fout, fieldnames=["time", "value"], delimiter=';')
    writer.writeheader()

    for i in range(1, 10):
        writer.writerow({"time": i, "value": random.randint(1, 100)})

    fout.close()


main()