Check out example codes for "how to add to an array ruby". It will help you in understanding the concepts better.

Code Example 1

a = [ "a", "b", "c" ]
a.push("d", "e", "f")
        #=> ["a", "b", "c", "d", "e", "f"]
[1, 2, 3].push(4).push(5)
        #=> [1, 2, 3, 4, 5]

Code Example 2

array.push('new element')
# OR
array << 'new element'

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