code: def solve(start, end):
      """
      2520 is the smallest number that can be divided by each of the numbers from
      1 to 10 without any remainder.
  
      What is the smallest number that is evenly divisible by all of the numbers
      from 1 to 20?
      """
  
      def gcd(a, b):
          return b and gcd(b, a % b) or a
  
      def lcm(a, b):
          return a * b / gcd(a, b)
  
      n = 1
      for i in range(start, end + 1):
          n = lcm(n, i)
  
      return n
  
label_desc: Use image node_id 1 for calling a global function with example usage: solve(start, end) and returns: n, unknown, unknown