name = "Ruby"
release_date = 1992

puts "Hello #{name}" # => Hello Ruby

puts "The #{name} programming language was released in #{release_date}." # => The Ruby programming language was released in 1995.

# Dikkatli olun " (Cift tirnak) ile ' (Tek tirnak) farkli sonuclar cikarir.

puts 'The #{name} programming language was released in #{release_date}.' # =>  The #{name} programming language was released in #{release_date}.