Code initial de l’exercice 4

from datetime import datetime

year_increment = 10
for year in range(1900, 2010, year_increment):
    end_year = year + year_increment
    from_date = datetime(year, 1, 1)
    to_date = datetime(end_year, 1, 1)

    num_events = 0

    # à compléter

    print(f"Entre {year} et {end_year}, il y a eu {num_events} événement(s).")