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re: Daily Challenge #27 - Unlucky Days VIEW POST

FULL DISCUSSION
 
require "date"

def unlucky_days(year)
  unlucky = 0
  1.upto(12).each do |month|
    date = Date.new(year, month, 13)
    unlucky += 1 if date.wday == 5
  end
  unlucky
end
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