python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
python3 main.py -i <api_id> -a <api_hash> -p <phone_number> -m <message> -u <username> -c <username_target> -f <sending_file>
-i -- api_id from my.telegram.org
-a -- api_hash from my.telegram.org
-p -- phone number in international format
-m -- message for sending
-u -- your username
-c -- username target for sending message
-f -- sending file (optional)