1def function_that_says_ni(*args, **kwargs):
 2
 3    sum_of_costs = 0
 4    bushes = ("храст", "bush", "shrub")
 5    all_names = ""
 6
 7    for arg in args:
 8        if type(arg) is dict and "name" in arg:
 9            if arg["name"].lower() in bushes:
10                sum_of_costs += arg.get("cost", 0)
11    
12    for arg in kwargs:
13        if type(kwargs[arg]) is dict:
14            value = kwargs[arg]
15            if "name" in value and value["name"].lower() in bushes:
16                sum_of_costs += value.get("cost", 0)
17                all_names += arg 
18
19    integer_cost = int(sum_of_costs)
20    number_of_unique_characters = len(set(all_names))
21
22    if integer_cost == 0:
23        return "Ni!"
24    if sum_of_costs > 42:
25        return "Ni!"    
26    if number_of_unique_characters % (int(sum_of_costs)) != 0:
27        return "Ni!"
28
29    return f"{sum_of_costs:.2f}лв"