#`[
  Declare class 'Bob' with version and unit-scope the class
  i.e. everything in this file is part of 'Bob'.
]
unit class Bob:ver<2>;

method hey ($msg) {
  #`[
    Remove the comments and write some code here to pass the test suite.
    You can experiment with the code outside of this block,
    but no changes are needed for the test suite to pass.
  ]
}