Cat_years_dog_years_kyu8.py

# Works out the age of cats and dogs in comparison to human years
# creates variables to return later
# adds the first two years then multiplies the remaining years and returns it all

def human_years_cat_years_dog_years(human_years):
    cat_years = 0
    dog_years = 0
    if human_years >= 1:
        cat_years += 15
        dog_years += 15
        if human_years >= 2:
            cat_years += 9
            dog_years += 9
            if human_years >= 3:
                cat_years += (human_years - 2) * 4
                dog_years += (human_years - 2) * 5

    return [human_years, cat_years, dog_years]