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# Hello World Program in Ruby
# fib(5) = 0,1,1,2,3,5 fib(9) = 0,1,1,2,3,5,8 */
def fib(num)
acc=[]
(1..num).each do |i|
acc << 0 if i==1
acc << 1 if i==2
acc << acc[i-3] + acc[i-2] if i > 2
end
acc
end
puts fib(5).join(', ')
puts fib(9).join(', ')
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