(self, other)
return not self == other
Checks if another instance isn't equal to this one.
Checks if another instance isn't equal to this one.
Checks if another instance isn t equal to this one .
def __ne__(self, other):
    """Checks if another instance isn't equal to this one."""
    # The concrete classes should define __eq__.
    return not self == other
def __ne__ ( self , other ) : # The concrete classes should define __eq__. return not self == other