substitutions:
  width: 7
  height: 8
  enabled: true
  pin:
    number: 18
    inverted: true
  area: 25
  numberOne: 1
  var1: 79

test_list:
  - "The area is ${width * height}"
  - ${width * height}
  - ${width * height} + 1
  - ${enabled and "ENABLED" or "DISABLED"}
  - list: ${ [width, height] }
  - "${ {'width': width, 'height': height} }"
  - ${pin}
  - The pin number is ${pin.number}
  - The square root is: ${math.sqrt(area)}
  - The number is ${var${numberOne} + 1}
