1def курс_в_лева(old_exchange_rates):
 2    """Converts foreign currency to bulgarian currency."""
 3    return {currency: round(1 / value, 4) for currency, value in old_exchange_rates.items()}
 4
 5def валута_към_левчета(*args, **kwargs):
 6    """Summing the amount of similar currencies and converting by a fixed course"""
 7    total_amounts = {}
 8    total_amount_to_bg = {}
 9    for key,value in args:
10        total_amounts[key] = total_amounts.get(key, 0) + value
11
12    for currency, amount in total_amounts.items():
13        if currency == "BGN":
14            total_amount_to_bg[currency] = round(amount, 4)
15        else:
16            total_amount_to_bg[currency] = round(amount / kwargs[currency], 4)
17
18    return list(total_amount_to_bg.items())
19
20def е_патриотична(amount, exchange_rates):
21    """Checking if the sum after converting to lv is correct and fair one"""
22    total_amounts = {}
23    total_sum_money = 0.0
24    for key, value in amount:
25        total_amounts[key] = total_amounts.get(key, 0) + value
26    for key, value in total_amounts.items():
27        total_sum_money += value / exchange_rates[key]
28
29    res = round(total_sum_money, 2)
30    integer_part = int(res)
31    fractional_part = total_sum_money - integer_part
32
33    return 'НЕПАТРИОТИЧНА!' if fractional_part > 0.00 else 'ПАТРИОТИЧНА!'