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import random

NUM_TRIALS = 500
NUM_TURNS_IN_TRIAL = 10


DIRECTIONS = [-1, 1] # do we go in the positive direction or the negative direction?
  
def pick_move():
  distance = random.randint(1, 10)
  direction = random.choice(DIRECTIONS)
  
  return distance * direction


def generate_overall_move():
  turns = [pick_move() for _ in range(NUM_TURNS_IN_TRIAL)]
  return sum(turns)

for _ in range(NUM_TRIALS):
  print(generate_overall_move())