in computer_science room(#Lingr).

#todo_293.py

def prob001():
  '''
  Return answer of project euler problem 001 value.
  Examples:
  >>> prob001()
  233168
  '''
  ans = 0
  n=1000
  for i in range(1, n):
      if i % 3 == 0:
          ans += i
      elif i % 5 == 0:
          ans += i
  return ans

if __name__ == '__main__':
    import doctest
    doctest.testmod()