# PRVI ZADATAK

print('Zadatak 1:\n')

vowels = ['a', 'e', 'i', 'o', 'u']
example = 'lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.'


def count_vowels(str):
    count = 0
    for char in str:
        if char in vowels:
            count += 1

    return count


print(f"There are {count_vowels(example)} vowels in the given string.\n")

# DRUGI ZADATAK

print('Zadatak 2:\n')

triplets = [
    [6, 2, 9],
    [31, 22, 12],
    [25, 10, 18],
    [34, 23, 19],
    [91, 50, 64],
    [10, 89, 35],
    [52, 31, 60],
    [14, 71, 28]
]


def gimme(array):
    clone = array.copy()
    clone.sort()
    middle = clone[round((len(clone) - 1) / 2)]
    return array.index(middle)


for array in triplets:
    print(
        f"The middle value of array {array} is located at index {gimme(array)}.")

print()

# TRECI ZADATAK

print('Zadatak 3:\n')

likers = [
    [],
    ['Mark'],
    ['Mark', 'Peter'],
    ['Mark', 'Peter', 'Jacob'],
    ['Mark', 'Peter', 'Jacob', 'Max'],
    ['Mark', 'Peter', 'Jacob', 'Max', 'Steve'],
    ['Mark', 'Peter', 'Jacob', 'Max', 'Steve', 'Angela'],
]


def likes(array):
    length = len(array)
    if array and length > 0:
        if length is 1:
            return f'{array[0]} likes this'
        elif length is 2:
            return f'{array[0]} and {array[1]} like this'
        elif length is 3:
            return f'{array[0]}, {array[1]} and {array[2]} like this'
        else:
            return f'{array[0]}, {array[1]} and {length - 2} others like this'
    else:
        return 'No one likes this'


for array in likers:
    print(likes(array))