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Ruby / count1.rb
@WATANABE Takeshi WATANABE Takeshi on 19 Dec 173 bytes 2024-12-19 22:41:04
#!/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!!"