---
ch-1:
  - function: sortedsquares
    arguments:
      - -2
      - -1
      - 0
      - 3
      - 4
    result:
      - 0
      - 1
      - 4
      - 9
      - 16
  - arguments:
      - 5
      - -4
      - -1
      - 3
      - 6
    result:
      - 1
      - 9
      - 16
      - 25
      - 36
ch-2:
  - function: travelexpenditure
    arguments:
      - - 2
        - 7
        - 25
      - - 1
        - 5
        - 6
        - 7
        - 9
        - 15
    multiarg: true
    result: 11
  - arguments:
      - - 2
        - 7
        - 25
      - - 1
        - 2
        - 3
        - 5
        - 7
        - 10
        - 11
        - 12
        - 14
        - 20
        - 30
        - 31
    multiarg: true
    result: 20