---
ch-1:
  - function: elementdigitsum
    arguments:
      - 1
      - 2
      - 3
      - 45
    result: 36
  - arguments:
      - 1
      - 12
      - 3
    result: 9
  - arguments:
      - 1
      - 2
      - 3
      - 4
    result: 0
  - arguments:
      - 236
      - 416
      - 336
      - 350
    result: 1296
ch-2:
  - function: multiplybytwo
    multiarg: true
    arguments:
      - - 5
        - 3
        - 6
        - 1
        - 12
      - 3
    result: 24
  - multiarg: true
    arguments:
      - - 1
        - 2
        - 4
        - 3
      - 1
    result: 8
  - multiarg: true
    arguments:
      - - 5
        - 6
        - 7
      - 2
    result: 2