Passing expressions to functions?

Question

I\'m not quite sure what I mean here, so please bear with me..

In SQLAlchemy, it appears I\'m supposed to pass an expression to filter() in certain cases. When I try to

Answer 1

It appears you can return tuples from eq:

class Foo:
    def __init__(self, value):
            self.value = value

    def __eq__(self, other):
            return (self.value, other.value)


f1 = Foo(5)
f2 = Foo(10)
print(f1 == f2)