--[[ Eight types of values: nil, boolean, number string, userdata, function,
thread, and table
nil == nothing
boolean == true or false
number == 5
string == 'fun' 'dog'
userdata ==
-- Nil (no value)
-- Number => Example: 1234567890
-- String => Example: "random text"
-- Function
-- Userdata
-- Boolean (true/fanse)
-- Table
-- Thread