run tello-control-GUI.py with python3. First to press the command buttom to enter the the SDK mode, then you can press takeoff button and do other operations.

Write the command set to be run in command.txt, for example:：

command
takeoff
delay 1
up 20
delay 1
foward 20 
delay 1
right 20 
delay 1
back 20 
delay 1
left 20 
delay 1
land

The script will automatically send a command to Tello. After receiving the reply from the previous command, the next command will be sent immediately. To add a delay, you can use the Delay command and the script will automatically delay. The unit of delay is seconds, which can be given to decimals.

Run the tello-command-test.py script

After the execution is finished, the commands and execution information will be stored in the log.