from library import turn_around, turn_right, move_to_wall


def clean_room():
    turn_left()
    while front_is_clear():
        turn_right()
        clean_row()
        move_to_next_row()
    turn_right()
    clean_row()

    
def clean_row():
    while front_is_clear():
        clean_cell()
        move()
    clean_cell()
    turn_around()
    move_to_wall()
    turn_around()


def clean_cell():
    if object_here():
        take()
        

def move_to_next_row():
    turn_left()
    move()
    
think(30)    
clean_room()
    
    
################################################################
# WARNING: Do not change this comment.
# Library Code is below.
################################################################
def turn_right():
    for _ in range(3):
        turn_left()

def turn_around():
    turn_left()
    turn_left()
    
def move_to_wall():
    while front_is_clear():
        move()