"""
#Zadanie 5
class Songs(object):
    tekst=[]
    def __init__(self, lyrics):
        self.tekst=lyrics
    def sing_me(self):
        for line in self.tekst:
            print(line)
Let_go = Songs(["When it's black, ",
"Take a little time to hold yourself, ",
"Take a little time to feel around, ",
"Before it's gone!"])

Let_go.sing_me()

"""
#Zadanie 6
"""

class Person(object):
  #klasa reprezentujaca osobe
    def __init__(self, name, age):
        self.name = name
        self.age = age
    def __str__(self):
         return "%s:%d" % (self.name,self.age)
    def __repr__(self):
        return str(self)
    def __call__(self, arg):
         print ('wywołanie dla', self,'z argumentem', arg)
    def __eq__(self, o):
        print ('wywołanie eq dla',self, 'i', o)
        if self.name == o.name and self.age == o.age :
            return 'true'
        else:
            return 'false'
    def __ne__(self, o):
        print ('wywołanie ne dla',self, 'i', o)
        if self.name != o.name and self.age != o.age :
            return 'true'
        else:
            return 'false'
    def __lt__(self, o):
        print ('wywołanie lt dla',self, 'i', o)
        if self.name==o.name:
            return self.age < o.age
        else:
            return self.name < o.name
def exercise():
    p1 = Person('Ania', 24)
    p2 = Person('Magda', 24)
    p3 = Person('Magda', 23)
    p4 = Person('Wiktoria', 23)
    p5 = Person('Kasia', 25)
    # dzięki call obiekt może zachowywać się jak funkcja p1('foo')
    pl = ('foo')
    # eq (equals) daje możliwość porównania 2 obiektów
    print (p1 == p2)
    print (p2 == p3)
    # ne (not equals)
    print (p1 != p2)
    print (p2 != p3)
    # lt (lover then)
    print (p1 < p5)
    # widać, że < działa po wieku
    # lista
    l = [p1,p2,p3,p4,p5]
    print ('sortowanie!')
    # operator lt (<) jest również wykorzystywany do sortowania
    l.sort()
    print (l)
exercise()

"""

"""
#Zad. 7
class Person(object):
    def __init__(self, name, age):
        self.name = name
        self.age = age
    def __str__(self):
        return "%s:%d" % (self.name, self.age)
    def __repr__(self):
        return str(self)
    def __call__(self, arg):
        print ('wywołanie dla', self, 'z argumentem', arg)
    def __eq__(self, o):
        print('wywołanie eq dla', self,' i', o)
        return self.age == o.age and self.name == o.name
    def __ne__(self, o):
        print('wywołanie ne dla', self,' i', o)
        return self.age != o.age or self.name != o.name
    def __lt__(self, o):
        print ('wywowalnie lt dla',self,' i',o)
        return self.age < o.age
    def exercise():
        p1 = Person('Ania', 24)
        p2 = Person('Magda', 24)
        p3 = Person('Magda', 23)
        p4 = Person('Wiktoria', 23)
        p5 = Person('Kasia', 25)
        p1('foo')
        print(p1 == p2)
        print(p2 == p3)
        print(p1 != p2)
        print(p2 != p3)
        # lt (lover then)
        print(p1 < p5)
        l = [p1, p2, p3, p4, p5]
        print('sortowanie!')
        l.sort()
        print(l)
print(Person.exercise())
"""

#Zad. 8
class Person(object):
    def __init__(self, name, age):
        self.name = name
        self.age = age
    def __str__(self):
        return "%s:%d" % (self.name, self.age)
    def __repr__(self):
        return str(self)
    def __call__(self, arg):
        print ('wywołanie dla', self, 'z argumentem', arg)
    def __eq__(self, o):
        print('wywołanie eq dla', self,' i', o)
        return self.age == o.age and self.name == o.name
    def __ne__(self, o):
        print('wywołanie ne dla', self,' i', o)
        return self.age != o.age or self.name != o.name
    def __lt__(self, o):
        print ('wywowalnie lt dla',self,' i',o)
        return self.name < o.name and self.age > o.age
    def exercise():
        p1 = Person('Ania', 24)
        p2 = Person('Magda', 24)
        p3 = Person('Magda', 23)
        p4 = Person('Wiktoria', 23)
        p5 = Person('Kasia', 25)
        p1('foo')
        print(p1 == p2)
        print(p2 == p3)
        print(p1 != p2)
        print(p2 != p3)
        print(p1 < p5)
        l = [p1, p2, p3, p4, p5]
        print('sortowanie!')
        l.sort()
        print(l)
print(Person.exercise())