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Ruby / count1.rb
@KEYA Takayuki KEYA Takayuki on 21 Sep 2024 174 bytes 2024-09-21 13:41:27
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

puts"ロケット打ち上げ発射まで…"
count = 10
while count > 0
  puts count
  sleep(1)
  count -= 1
end
puts"発射!!"