input: from typing import List
  
  
  def intersperse(numbers: List[int], delimeter: int) -> List[int]:
      """ Insert a number 'delimeter' between every two consecutive elements of input list `numbers'
      >>> intersperse([], 4)
      []
      >>> intersperse([1, 2, 3], 4)
      [1, 4, 2, 4, 3]
      """
  
output:     result = []
      for i in range(len(numbers)):
          result.append(numbers[i])
          if i < len(numbers) - 1:
              result.append(delimeter)
      return result