raspberry pi3 bluetoothctl scan on command

Question

I use raspberry pi 3.
Type 'bluetoothctl' in the linux command shell and type 'scan on', then
Raspberry pi search nearby devices.
i want to be able to search for devices on one command line.
for example, bluetoothctl + scan on, but i can't find this command
i tried bluetoothctl && scan on(X)<br>bluetoothctl --agent scan on (X)<br>bluetoothctl; scan on(X)
but these do not work.

Answer 1

Use this

bluetoothctl -- scan on

Answer 2

you can make one python script for execute command import os;

os.system("")