1def function_that_says_ni(*args, **kwargs):
 2    valid_shrubs = []
 3    shrubbery_price = 0.0
 4    shrubbery_types = ('храст', 'shrub', 'bush')
 5    unique_symbols = set()
 6    highest_price = 42.00
 7
 8    for arg in args:
 9        if type(arg) is dict:
10            if 'name' in arg:
11                if arg['name'].lower() in shrubbery_types:
12                    valid_shrubs.append(arg)
13
14    for key, value in kwargs.items():
15        if type(value) is dict:
16            if 'name' in value:
17                if value['name'].lower() in shrubbery_types:
18                    valid_shrubs.append(value)
19                    unique_symbols.update(key)
20
21    for shrub in valid_shrubs:
22        if 'cost' in shrub:
23            shrubbery_price += shrub['cost']
24
25    if int(shrubbery_price) == 0:
26        return 'Ni!'
27
28    good_price = shrubbery_price <= highest_price
29    good_looking = (len(unique_symbols) % int(shrubbery_price) == 0)
30
31    if good_price and good_looking:
32        price_str = f'{shrubbery_price:.2f}лв'
33        return price_str
34
35    return 'Ni!'