1def is_good_named_shrub(shrub):
 2    if 'name' in map(str.lower, shrub.keys()):
 3        name_value = shrub.get('name')
 4        if name_value.lower() in ['bush', 'shrub', 'храст']:
 5            return True
 6        return False
 7    return False
 8
 9
10def function_that_says_ni(*args, **kwargs):
11    costs = 0
12    unique_letters = set()
13    have_bush = False
14
15    for key, value in kwargs.items():
16        if type(value) == dict and is_good_named_shrub(value):
17            unique_letters.update(char.lower() for char in key if (char.isalpha() or char == '_'))
18            have_bush = True
19            if 'cost' in value:
20                costs += value.get('cost')
21
22    unique_letters_count = len(unique_letters)
23
24    for element in args:
25        if type(element) == dict and is_good_named_shrub(element):
26            have_bush = True
27            if 'cost' in element:
28                costs += element.get('cost')
29
30    is_one_that_looks_nice = 0
31    if int(costs) != 0:
32        is_one_that_looks_nice = unique_letters_count % int(costs) == 0
33
34    if have_bush and costs < 42.00 and is_one_that_looks_nice:
35        return f"{costs:.2f}лв"
36    else:
37        return 'Ni!'