new_contents: #!/usr/bin/env python3
  # Author: Severin Kaderli <severin.kaderli@gmail.com>
  #
  # Project Euler - Problem 5:
  # What is the smallest positive number that is evenly divisible by all of the
  # numbers from 1 to 20?
  from functools import reduce
  
  def gcd(a, b):
      """Returns the greatest common divisor using Euclid's Algorithm."""
      while b:
          a, b = b, a % b
      return a
  
  def lcm(a, b):
      "Returns the lowest common multiple."
      return a * b // gcd(a, b)
  
  def lcmm(*args):
      "Returns the lcm of multiple numbers."
      return reduce(lcm, args)  
  
  if __name__ == "__main__":
      print(lcmm(*range(1, 21)))
subject: Add problem 5