new_contents: from random import random
  from numba import jit
  
  
  @jit(nopython=True)
  def monte_carlo_pi(n):
      counter = 0
      for _ in range(n+1):
          x = random()
          y = random()
          if (x ** 2 + y ** 2) < 1:
              counter += 1
      return 4 * counter / n
  
  
  if __name__ == "__main__":
      print(monte_carlo_pi(10000))
  
subject: Create monte_carlo_pi.py