Python code

#!/usr/bin/env python
import time
import argparse
from flyt_python import api as sp

drone = sp.navigation(timeout=110000)  ##instance class




parser = argparse.ArgumentParser(description='Process a float value.')## parsing command line arguments while typing file address we can enter the side length in command line
parser.add_argument('side', metavar='side_length', type=float, help='side length of the square')
arguments = parser.parse_args()

time.sleep(5) ## sleep time of drone to initialize properly


side = arguments.side ## declaring variable for taking the argument


print ("taking off!")
drone.take_off(5.0) ## drone takes offs till 5m

print ("flying in square", side)
drone.position_set(side, 0, 0, relative=True)## sending position value from the command line for square lining
drone.position_set(0, side, 0, relative=True)
drone.position_set(-side, 0, 0, relative=True)
drone.position_set(0, -side, 0, relative=True)

print ("landing")
drone.land(False)
print ("Landed safely!")

drone.disconnect() ##disconnecting and shutting down the drone