El Wren libro colophon.adoc authors.adoc abstract.adoc chapters/01-introduction.adoc chapters/02-basics.adoc chapters/03-strings.adoc chapters/04-numbers.adoc chapters/05-lists.adoc chapters/06-functions.adoc chapters/07-control.adoc chapters/08-maps.adoc chapters/09-classes.adoc chapters/10-cli.adoc examples/examples.adoc chapters/exercises/solutions.adoc glossary.adoc bibliography.adoc index.adoc