Activate switchbot by python with bluepy on Raspberry Pi

switchbot_bluepy.py

# Activate switchbot by python with bluepy on Raspberry Pi
# https://github.com/IanHarvey/bluepy
# 
# Switchbot's API is taken from this
# https://github.com/OpenWonderLabs/python-host

import binascii
from bluepy.btle import Peripheral

# find your switchbot address by
# pi@raspberry:~ $ sudo hcitool lescan
# replace "ff:..:ff"
p = Peripheral("ff:ff:ff:ff:ff:ff", "random")
hand_service = p.getServiceByUUID("cba20d00-224d-11e6-9fb8-0002a5d5c51b")
hand = hand_service.getCharacteristics("cba20002-224d-11e6-9fb8-0002a5d5c51b")[0]
hand.write(binascii.a2b_hex("570100"))
p.disconnect()

I can't even get that far on my RPI4 - I just entered the code as above but chaning my MAC number - no mistakes - yet...

pi@mainpi:~:11:46[0]> ./switchbot_bluepi.py
./switchbot_bluepi.py: line 7: import: command not found
from: too many arguments
./switchbot_bluepi.py: line 13: syntax error near unexpected token `('
./switchbot_bluepi.py: line 13: `p = Peripheral("fb:ff:1f:00:4d:aa", "random")'
pi@mainpi:~:11:46[2]>