Getting part of an array in Ruby

Arrays and collections / Arrays

Array initialization
Adding and removing elements
Array length
Iterating over an array
Iterating over an array with index
Checking equality of arrays
Finding an array element
Sorting elements
Getting unique values
Filtering elements
Copying an array
Merging arrays
Converting an array
Array filled with a default value
Getting part of an array
Getting min and max values
all() and any() methods
Dynamic arrays
Comparing arrays

numbers = [2, 3, 5, 7, 11]

first2 = numbers[0..1]
# first2 is [2, 3]
last3 = numbers[2..-1]
# last3 is [5, 7, 11]

puts "first2 is #{first2}"
puts "last3 is #{last3}"