@ -120,6 +120,8 @@ name="John"
echo ${name}
echo ${name/J/j} #=> "john" (substitution)
echo ${name:0:2} #=> "jo" (slicing)
echo ${name::2} #=> "jo" (slicing)
echo ${name::-1} #=> "joh" (slicing)
echo ${food:-Cake} #=> $food or "Cake"
```