JHero23 - Fibonacci Dynamic Programming in Ruby

Nth-Fibonacci/Ruby/JHero23/app.rb

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+# Declare a method/function that creates the fibonacci sequence
+def fibonacci(num)
+    if num < 0
+        return "Negative number not implemented yet"
+    elsif num <= 1
+        return num
+    else
+        return fibonacci(num - 1) + fibonacci(num - 2)
+    end
+end
+
+
+begin
+    # Prompt the user
+    print "Enter a number: "
+    input = gets.chomp.to_i
+
+    p "Your number is #{input}"
+
+    # Generate the Fibonacci sequence
+    num_list = []
+
+    begin
+        num_list.push(fibonacci(input))
+        input -= 1
+    end while input.to_i >= 0
+
+    p "Your fibonacci numbers are #{num_list}"
+
+    print "\nWant to try again? "
+    ans = gets.chomp.downcase
+end while ans == 'y' || ans == "yes"