def go():
  while True:
    if left_side() == False:
      turn(1)
    if right_side() == False:
      turn(-1)
    move()

def rowsl():
  turn(-1)
  for n in range(0,4):
    move()
  turn(-1)
  for j in range(0,32):
    move()

def go():
  move()
  if (touch()!='fruit'):
    turn(-1)
    go()
    return
  go()

def go():
    while touch() == "fruit":
        move()

    if touch() != "fruit":
        turn(3)
        go()

def columnsd():
  turn(-1)
  for n in range(0,4):
    move()
  turn(-1)
  for k in range(0,30):
    move()

def rowsr():
  turn(1)
  for n in range(0,4):
    move()
  turn(1)
  for j in range(0,32):
    move()

def go():
  moved = 0
  while touch() == "fruit":
    move()
    moved = moved + 1
  
  turn(-1)

def super_move():
  if touch() != "wall":
    move()
  elif left_side() == "wall":
    turn(1)
  else:
    turn(3)

def find_fruit():
  for i in range(1,4):
    if (look() == "fruit"):
      move()
      return True
    else:
      turn(1)
  return False

def main():
  while True:
   while True:
    move()
    if right_side()=='wall' and touch()=='wall':
      turn(-1)
    elif left_side()=='wall' and touch()=='wall':
      turn(1)

def left_way():
  while True:
    move()
    if (left_side() != "wall"):
      turn(-1)
    elif (touch() == "wall" and right_side() != "wall"):
      turn(1)
    elif (touch() == "wall"):
      turn(2)

def branch(dir):
  turn(dir)
  
  if touch() == 'fruit':
    while touch() == 'fruit':
      move()
  elif left_side() == 'fruit':
    branch(-1)
  elif right_side() == 'fruit':
    branch(1)

def find():
  i=0
  while touch()!='fruit' and left_side()!='fruit' and right_side()!='fruit':
   if look()=='fruit':
      i=i+1
      print i
      move()
      
   else:
      turn(-1)
  move()

def MoveSearch(thing):
  global wallcount
  wallcount = 0
  distance = 1
  i = 0
  while i < distance:
    if touch() == thing:
      distance += 1
    i += 1
    if i < distance:
      move()

def test_way():
  while True:
    if (find_fruit() == False):
      if (touch() != "wall"):
        a=1
      elif (left_side() != "wall"):
        turn(-1)
      elif (right_side() != "wall"):
        turn(1)
      elif (touch() == "wall"):
        turn(2)
      move()

def go():
  moved = 0
  if touch() == 'fruit':
    move()
    moved = moved + 1
  elif touch() == None:
    turn(1)
  else:
    turn(1)
    go()
    
  for i in range(0,moved):
    go()

def u_turn(right):
  if right == True:
    turn(1)
  else:
    turn(-1)
  
  for i in range(4):
    move()
  
  if right:
    turn(1)
  else:
    turn(-1)

def go():
    while touch() == "fruit":
        move()

    if right_side() == "fruit":
        turn(1)
        go()

    if left_side() == "fruit":
        turn(3)
        go()

    if left_side() != "fruit" and right_side != "fruit":
        move()
        go()

def MoveRobot():

  count = smell()
  
  while count > 0: 
    if left_side() == "fruit":
      turn(-1)
    elif right_side() == "fruit":
      turn(1)
    move()
    count = smell()
    print(count)
  
  else:
    turn(2)
    move()
    MoveRobot()

def  go():
  moved=0
  while touch() == "fruit":
    move()
    moved = moved+1
    
    turn (-1)
    if touch() == "fruit":
      go()
      turn(2)
      if touch() == "fruit":
        go()
        
      turn(1)
      for i in range (0,moved):
        move()
        turn (2)