1def function_that_says_ni(*args, **kwargs):
 2    total_cost = 0
 3    shrub_names = set()
 4    valid_shrub_names = {"храст", "shrub", "bush"}
 5
 6    for arg in args:
 7        if isinstance(arg, dict):
 8            name = arg.get("name", "").lower()
 9            cost = arg.get("cost", 0)
10            if name in valid_shrub_names:
11                total_cost += float(cost)
12
13    for key, value in kwargs.items():
14        if isinstance(value, dict):
15            name = value.get("name", "").lower()
16            cost = value.get("cost", 0)
17            if name in valid_shrub_names:
18                total_cost += float(cost)
19                shrub_names.update(set(key))
20
21    if total_cost > 42.00:
22        return "Ni!"
23
24    whole_part_of_cost = int(total_cost)
25
26    if whole_part_of_cost == 0 or len(shrub_names) % whole_part_of_cost != 0:
27        return "Ni!"
28
29    return f"{total_cost:.2f}лв"