#=> 'hello world'

&lt;&lt;1,2,3>> &lt;> &lt;&lt;4,5>> #=> &lt;&lt;1,2,3,4,5>>
"hello " &lt;> "world"  #=> "hello world"

# Ranges are represented as `start..end` (both inclusive)
1..10 #=> 1..10
lower..upper = 1..10 # Can use pattern matching on ranges as well
[lower, upper] #=> [1, 10]

## ---------------------------
## -- Operators
## ---------------------------

# Some math
1 + 1  #=> 2
10 - 5 #=> 5
5 * 2  #=> 10
10 / 2 #=> 5.0

# In elixir the operator `/` always returns a float.

# To do integer divis