💻 Примеры

Пример 1. custom_range

def custom_range(start, stop, step=1):
    while start < stop:
        yield start
        start += step

for num in custom_range(2, 10, 2):
    print(num)  # 2 4 6 8

Пример 2. Случайные даты

import random


def is_leap(year: int) -> bool:
    return (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0)


def random_dates(year: int):
    days_in_month = {
        1: 31, 2: 29 if is_leap(year) else 28, 3: 31,
        4: 30, 5: 31, 6: 30, 7: 31, 8: 31,
        9: 30, 10: 31, 11: 30, 12: 31
    }
    while True:
        month = random.randint(1, 12)
        day = random.randint(1, days_in_month[month])
        yield f"{year}-{month:02d}-{day:02d}"


date_gen = random_dates(2025)
for _ in range(5):
    print(next(date_gen))