problem_solving.py

def tomato_cheese(c, t):
    if t % 2 != 0 or c <= 0 or t <= 0 or t/2 < c:
        return [-1, -1]

    if t/2 == c:
        return [int(t/2), 0]

    mini, big = 0, 0
    if t/2 > c:
        t = t - 4
        c = c - 1
        big = big + 1

    curs = tomato_cheese(c, t)
    if -1 in curs:
        return [-1, -1]
    else:
        mini = mini + curs[0]
        big = big + curs[1]
        return [mini, big]


def switching_list(data):
    print(data)
    if len(data) == 1:
        return 1

    if len(data) == 2:
        return 0
    
    if all(elem == data[0] for elem in data):
        return len(data)

    result = 0
    if data[0] != data[2]:
        data = data[1:]
        result = result + switching_list(data)
        return result

    if data[-1] != data[-3]:
        data = data[:-1]
        result = result + switching_list(data)
        return result

    result = len(data)
    return result