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Discover Ruby Programming Through Fun Examples

Solution: Fibonacci Sequence

Explore how to implement the Fibonacci sequence in Ruby by performing iterative calculations and updating arrays. Understand how to generate each number and update variables to solve a classic programming problem.

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Solution

Ruby
array = [1, 1]
num1 = 1
num2 = 1
10.times do
  next_number = num1 + num2
  array << next_number
  num1 = num2
  num2 = next_number
end
puts "The number of rabbit pairs are: #{array.join(', ')}"

Explanation

  • Line 4: We ...