import time
from adafruit_servokit import ServoKit

kit = ServoKit(channels=16)
kit.servo[12].set_pulse_width_range(1000, 2000)

kit.servo[12].actuation_range = 200
while True:
    channel = int(input("Channel:\n"))
    pos = int(input("Position: \n"))
    kit.servo[channel].angle = pos