6주차 API

class MultiplGate(object):
	def forward(x,y):
    	z = x*y
        self.x = x # must keep these around
        self.y = y
        return z
    def backward dz :
    	dx = self.y*dz # [dz/dx * dL/dz]
        dy = self.x*dz # [dz/dy * dL/dz]
        return [dx, dy]

음... 왜 이렇게 나오려나???