leap = runtime.start('leap','LeapMotion') python.subscribe('leap', 'publishLeapData') def onLeapData(data): # print(data) leftHand = data.leftHand rightHand = data.rightHand if leftHand: print("left",leftHand.thumb, leftHand.index, leftHand.middle, leftHand.ring, leftHand.pinky) if rightHand: print("right",rightHand.thumb, rightHand.index, rightHand.middle, rightHand.ring, rightHand.pinky)