pull-right code code example

Example 1: auto subscrib code

add ?sub_confirmation=1 after your youtube link
E.g. YouTube.com/test?sub_confirmation=1

Example 2: pyserial example code

>>> import serial
>>> ser = serial.Serial('/dev/ttyUSB0')  # open serial port
>>> print(ser.name)         # check which port was really used
>>> ser.write(b'hello')     # write a string
>>> ser.close()             # close port