cat operator in python

cat_operator.py

class Infix:
    def __init__(self, function):
        self.function = function
    def __rxor__(self, other):
        return Infix(lambda x, self=self, other=other: self.function(other, x))
    def __xor__(self, other):
        return self.function(other)
    def __call__(self, value1, value2):
        return self.function(value1, value2)

_=Infix(lambda x, y: x * y)

print 2 ^_^ 3