create_measurements_singlethreaded.py

import pathlib
import random

stations = [
    ('Severní pól', -50.5),
    ('Špicberky', -30.5),
    ('Novosibirsk', 1.7),
    ('La Quiaca', 12.8),
    ('Formosa', 27.6),
    ('Buenos Aires', 24.9),
]


def main():
    # smažeme výstupní soubor pokud existuje
    measurements = pathlib.Path("measurements.txt")
    measurements.unlink(missing_ok=True)

    with measurements.open(mode="wt") as fp:
        for _ in range(1_000_000_000):
            station_name, station_mean = random.choice(stations)
            temperature = round(random.gauss(station_mean, 15), 1)
            print(f"{station_name};{temperature}", file=fp)


if __name__ == '__main__':
    main()