PYTHON

__ne__

class Foo:
  def __init__(self, num):
    self.num = num
    
  def __eq__(self, other):
    return self.num == other.num
  
  def __ne__(self, other): # __ne__ represents the != operator
    return self.num != other.num

__ne__

"""
Magic method __ne__ stands for not equal. So this magic method defines or 
overwrites what should "!=" sign do with objects.
"""

class Test:
    def __init__(self, x):
        self.x = x
        
    def __ne__(self, other):
        """
		Compares attribute "x" of objects, self stands for 1st object
		and other stands for object after "!=" sign. (so t is self and t2 other)
		"""
        return self.x != other.x	# Should be used on objects of the same type
    


t = Test(3)
t2 = Test(2)
print(t != t2)	# Now I call the __ne__ method by using "!=" sign.