Import Robot and curses Programm.Please help meeee

Question

Hello everbody could anybody this Python Code to me. I am a beginner and preapring for a Test. I really do not understand this code. Please could anybody explain it in deatail, if possible also step by step (only I possible)
import curses
from gpiozero import Robot
robot = Robot(left=(21, 26), right=(22,17)
actions = {
curses.KEY_UP: robot.forward,
curses.KEY_DOWN: robot.backward,
curses.KEY_LEFT: robot.left,
curses.Key_RIGHT: robot.right,
}
def main(window):
next_key = None
while True:
curses.halfdelay(1)
if next_key is None:
else:key = window.getch()
key = next_key
next_key = None
if key != -1:
curses.halfdelay(3)
action = actions.get(key)
if action is not None:
action()
next_key = key
while next_key == key:
next_key = window.getch()
robot.stop()
curses.wrapper(main)

Answer 1

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