Implementing class eq | Python Fiddle

class Person:
    def __init__(self,name):
        self.name = name
        
a = Person('Lisa')
b = Person('Lisa')

print 'är de lika utan __eq__ ',a == b

b = a

print 'är de samma objekt nu ',a == b

class EqPerson:
    def __init__(self,name):
        self.name = name
      
    def __eq__(self,other):
        return self.name == other.name 
          
a = EqPerson('Lisa')
b = EqPerson('Lisa')

print 'är de lika med __eq__',a == b
print 'är de samma objekt ',a is b

class EqPersonFullname:
    def __init__(self,name,lastName):
        self.name = name
        self.lastName = lastName
      
    def __eq__(self,other):
        return self.name == other.name

a = EqPerson('Lisa')
b = EqPersonFullname('Lisa','Johansson')

print 'är Lisa och Lisa Johansson lika med __eq__',a == b

class StrictEqPersonFullname:
    def __init__(self,name,lastName):
        self.name = name
        self.lastName = lastName
      
    def __eq__(self,other):
        return self.name == other.name and self.lastName == other.lastName
        
a = StrictEqPersonFullname('Lisa','Johansson')
b = EqPersonFullname('Lisa','Svensson')

print 'är nu Lisa och Lisa Johansson lika med __eq__',a == b
print 'är nu Lisa och Lisa Johansson lika med __eq__',b == a

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