1class Currency:
 2    def __init__(self, name, course):
 3        self.name=name
 4        self.course=course
 5    def __eq__(self, other):
 6        if not isinstance(other, Currency):
 7            return False
 8        return self.name==other.name and self.course==other.course
 9
10class PoliticalParty:
11    def __init__ (self, name, moto, members=None, preferred_currency=None):
12        self.name=name
13        self._moto=moto
14        self.members = members if members is not None else []
15        self.preferred_currency= preferred_currency
16    def convert_currency_to_voters (self,num, val):
17        if not isinstance(val, Currency):
18            return 0
19        if val == self.preferred_currency:
20            return int(num/val.course)*2
21        return int(num/val.course)
22    def __str__(self):
23        return self.name
24    def __repr__(self):
25        return self.name
26    def __eq__ (self, other):
27        return isinstance(other, PoliticalParty) and self.name==other.name
28    def __hash__ (self):
29        return hash(self.name)
30    def __add__(self, other):
31        if isinstance(other, PoliticalParty):
32            return Coalition(self,other)
33    @property
34    def motto(self):
35        return self._moto
36        
37class Coalition:
38    def __init__(self, *partii):
39        self.partii=[]
40        self.__unique=set()
41        for p in partii:
42            self.add_partii(p)
43    def add_partii(self, p):
44        if isinstance(p, PoliticalParty):
45            if p not in self.__unique:
46                self.partii.append(p)
47                self.__unique.add(p)
48        elif isinstance(p, Coalition):
49            for partiq in p.partii:
50                self.add_partii(partiq)
51    def __str__ (self):
52        return "-".join(str(p) for p in self.partii)
53    def __add__(self, other):
54        if isinstance(other, (Coalition, PoliticalParty)):
55            return Coalition(self,other)
56    @property
57    def members(self):
58        return {p.name : p.members for p in self.partii }
59
60class Elections:
61    _results = {}
62    def __init__ (self, year):
63        self.year=year
64        Elections._results[year]={}
65    def register_party_or_coalition (self, k):
66        if isinstance(k,(PoliticalParty, Coalition)):
67            Elections._results[self.year][str(k)]=0
68    def vote (self, k):
69        if isinstance(k, (PoliticalParty, Coalition)):
70            Elections._results[self.year][str(k)]+=1
71    def rig_elections (self, k, num, val):
72        if isinstance(k, PoliticalParty) and isinstance(val, Currency):
73            Elections._results[self.year][str(k)]+=k.convert_currency_to_voters(num,val)
74        elif isinstance(k, Coalition ) and isinstance(val, Currency):
75            cur=Elections._results[self.year][str(k)]
76            for p in k.partii:
77                if p.preferred_currency==val:
78                    Elections._results[self.year][str(k)]+=p.convert_currency_to_voters(num,val)
79                    break
80            if Elections._results[self.year][str(k)] == cur:
81                Elections._results[self.year][str(k)]+=k.partii[0].convert_currency_to_voters(num,val)
82    def get_results(self):
83        return Elections._results[self.year]
84    @classmethod
85    def get_results_by_year(cls, year):
86        if year in cls._results:
87            return cls._results[year]