gistfile1.txt

import BlynkLib
import time

BLYNK_AUTH = 'my-auth'

# Initialize Blynk
blynk = BlynkLib.Blynk(BLYNK_AUTH)

# Register virtual pin handler
@blynk.VIRTUAL_WRITE(3)
def v3_write_handler(value):
    print('Current slider value: {}'.format(value))

# Start Blynk (this call should never return)
blynk.run()