1BG_CURRENCY = "BGN"
 2
 3def round_func(number, precision = 4):
 4    if type(number) is int:
 5        return number
 6    raise_num = 10 ** (precision + 1)
 7    floor_num = 10 ** precision
 8    raised_num = int(number * raise_num)
 9    if raised_num % 10 >= 5:
10        return ((raised_num // 10) + 1) / floor_num
11    else:
12        return (raised_num // 10) / floor_num
13
14def patriotic_value(number, precision = 2):
15    result_num = round_func(number, precision)
16    return result_num == int(result_num)
17
18
19def курс_в_лева(exchange_rates):
20    patriotic_exchange_rates = {}
21    for key, value in exchange_rates.items():
22        patriotic_exchange_rates[key] = round_func(1/ value)
23    return patriotic_exchange_rates
24
25def валута_към_левчета(*args, **kwargs):
26    if BG_CURRENCY not in kwargs:
27        kwargs[BG_CURRENCY] = 1
28
29    currency_count = {}
30    for key, value in args:
31        if key in currency_count:
32           currency_count[key] += value
33        else:
34            currency_count[key] = value
35
36    result = []
37    for key,value in currency_count.items():
38        calculated = round_func(value / kwargs[key])
39        result.append((key, calculated))
40    return result
41
42def е_патриотична(amount, exchange_rates):
43    PATRIOTIC_STRING = "ПАТРИОТИЧНА!"
44    UNPATRIOTIC_STRING = "НЕПАТРИОТИЧНА!"
45    total_amount = 0
46    if BG_CURRENCY not in exchange_rates:
47        exchange_rates[BG_CURRENCY] = 1
48    for course, value in amount:
49        total_amount += value/exchange_rates[course]
50
51    if patriotic_value(total_amount):
52        return PATRIOTIC_STRING
53    else:
54        return UNPATRIOTIC_STRING