new_contents: # https://codility.com/demo/results/trainingHEUY32-ZQM/
  def solution(A, B, K):
      result = 0;
  
      if (A%K == 0) :
          result = ((B-A)/K)+1
      else:
          result = (B/K - ((A/K)+1))+1
      return result;
  
subject: Create CountDiv.py