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Solution: Generate Lotto Numbers

Explore how to generate six unique lotto numbers within a range using Ruby by employing an until loop, random number generation, and array handling to avoid duplicates.

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Solution

Ruby 3.1.2
count = 0
array = []
until count == 6
	lotto_number = rand(49)
	lotto_number += 1
	if array.include?(lotto_number)
		# Number already exist"
		next
	end
	array << lotto_number
	count += 1
end
puts "Your winning lotto numbers are #{array}, good luck!"

Explanation

  • Line 3: We use the until loop instead of a while loop. This is equivalent ...