codewars/courses/python_indi/generator.py

def test_1():
    s = [1, 2, 3, 4, 5]
    d = iter(s)
    print(next(d))
    print(next(d))


def test_2():
    # Выражение-генератор
    b = (i**2 for i in range(1, 6))

    # Обойти можно только один раз
    # Не хранится в памяти
    print(dict(b))
    # print(sum(b))

def test_3():
    weekdays = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']
    days = ((i, weekdays[(i + 4)%7]) for i in range(1, 78))
    for _ in range(1, 78):
        print(next(days))

test_3()

# test_1()
# test_2()