code: def run_length_encode(in_array):
      
      if(len(in_array)==0):
          return []
      curr_ans = in_array[0]
      out_array = [curr_ans]
      counter = 1
      for in_int in in_array[1:]:
          if in_int == curr_ans:
              counter+=1
          else:
              out_array.append(counter)
              out_array.append(in_int)
              curr_ans = in_int
              counter = 1
      # Add the final counter
      out_array.append(counter)
      return out_array
docs: A function to run length decode an int array.
  
      :param in_array: the inptut array of integers
      :return the encoded integer array