from machine import Pin, ADC
 adc = ADC(Pin(35))
 adc.atten(ADC.ATTN_11DB)
 adc.width(ADC.WIDTH_10BIT)
while True:
 val  = adc.read()
 volts = (3.3*val)/1023
 input_voltage = "The voltage is {:0.3f} and the raw is {:4d}"
 print(input_voltage.format(val, volts), end = "\r")