from botcore import *

power = 1
thresh = 75

while True:
    if buttons.was_pressed(1):
        det = 100
        sensed = prox.range(10, power)

        if sensed[LEFT] > 0:
            det = sensed[LEFT]
        if sensed[RIGHT] > 0:
            det = min(det, sensed[RIGHT])

        thresh = det - 5
        print("Sensed=", sensed, " set thresh=", thresh)

    p = prox.detect(power, thresh)
    leds.prox(p)