Problem Statement

Three dogs (Are there three dogs or one dog?) is a code snippet used to illustrate the lettercase sensitivity of the programming language. For a case-sensitive language, the identifiers dog, Dog and DOG are all different and we should get the output: For a language that is lettercase insensitive, we get the following output:

Let's start with the solution:

set dog "Benjamin"
set Dog "Samba"
set DOG "Bernie"
puts "The three dogs are named $dog, $Dog and $DOG"