codewars

resposta.py

from datetime import timedelta


def format_duration(seconds):
    if not seconds:
        return 'now'
    timedelta_format = f"{timedelta(seconds=seconds)}"
    hours, minutes, seconds = timedelta_format.split(":")
    dict_of_time = {'hours': hours,
                    'minutes': minutes,
                    'seconds': seconds}
    if "," in hours:
        days, _, hours = hours.split(" ")
        years, days = divmod(int(days), 365)
        dict_of_time = {'years': years,
                        'days': days,
                        'hours': hours,
                        'minutes': minutes,
                            'seconds': seconds}

    array_of_time = [f'{int(value)} {interval if int(value)>1 else interval[:-1]}' for interval,
                     value in dict_of_time.items() if int(value)]
    if len(array_of_time) == 1:
        return array_of_time[0]
    else:
        array_of_time.insert(len(array_of_time)-1, ' and')
        return ", ".join(array_of_time[:-2])+' '.join(array_of_time[-2:])


print(format_duration(100000))
print(format_duration(100000000))
print(format_duration(111))
print(format_duration(11))