This is a Python program to blink an LED on a RaspberryPi.
$ python lchika.py
The pin number can also be checked in the RaspberryPi terminal using the pinout command.
$ pinout
ラズパイではじめてのLチカしてみた記録
https://zenn.dev/unsoluble_sugar/articles/d70b01b46f58bdd68424