Specify a line mode of `'any` with `read-line` to avoid differences between Windows and other platforms.

Internal definitions are recommended instead of `let` expressions, to reduce nesting.

This use of `format` does nothing.

Using `cond` instead of `if` here makes `begin` unnecessary

This use of `define-values` is unnecessary.

This `match` expression can be simplified using `match-define`.

Using `when` and `unless` is simpler than a conditional with an always-throwing branch.

`cond` with internal definitions is preferred over `if` with `let`, to reduce nesting

Internal definitions are recommended instead of `let` expressions, to reduce nesting.

This `if`-`else` chain can be converted to a `cond` expression.

The `define` form supports a shorthand for defining functions.

This `if` expression can be refactored to an equivalent expression using `and`.

This list-constructing expression can be simplified

This `let` expression can be pulled up into a `define` expression.