1def курс_в_лева(exchange_rates):
 2    return {key: round(1 / value, 4) for (key, value) in exchange_rates.items()}
 3
 4
 5def валута_към_левчета(*args, **kwargs):
 6    total = dict()
 7    for code, qnty in args:
 8        total[code] = total.get(code, 0) + qnty
 9
10    return [
11        (code, round((val if code == "BGN" else val / kwargs[code]), 4))
12        for code, val in total.items()
13    ]
14
15
16def е_патриотична(amount, exchange_rates):
17    total_amounts = dict()
18    for code, qnty in amount:
19        total_amounts[code] = total_amounts.get(code, 0) + qnty
20
21    res = 0
22    for code, qnty in total_amounts.items():
23        res += qnty / exchange_rates.get(code, 1)
24
25    res = round(res, 2).is_integer()
26
27    if res:
28        return "ПАТРИОТИЧНА!"
29    return "НЕПАТРИОТИЧНА!"