code: def iterate(array: List[str], result: str, i: int) -> str:
      if i >= len(array):
          return result
      return workflow.continuation(
          iterate.bind(array, result + array[i], i + 1)
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: iterate(array, result, i) and returns: workflow, result