L3_Roomba.py

from karel.stanfordkarel import * 

"""
File: Roomba.py
----------------------------
Karel picks up all the beepers in the world.
"""

def main():
    pass

# Removes all beepers from one row
def clear_row():
    while front_is_clear():
        safe_pick()
        move()
    safe_pick()

# Picks up a beeper... if there is one!
def safe_pick():
    if beepers_present():
        pick_beeper()

# Karel moves up one row. Facing east pre + post
def next_row():
    turn_around()
    move_to_wall()
    turn_right()
    move()
    turn_right()

# Move until Karel hits a wall
def move_to_wall():
    while front_is_clear():
        move()

# If only Karel knew by default
def turn_around():
    turn_left()
    turn_left()

# Recall, not an ambi turner
def turn_right():
    for i in range(3):
        turn_left()

if __name__ == "__main__":
    run_karel_program()