code

def play
		
		turn = 0
		@code = Array.new(8,Array.new(4,""))
		check = Array.new(8,Array.new(4,""))
		while turn < 8
			for i in 0..turn do
			puts @code[i].join
			puts check[i].join
			end
			puts "Turn #{turn+1}: Insert the guesscode"
			loop do
				@code[turn]= gets.chomp.upcase.split("")
				if @code[turn].length==4
					break
				else puts "insert four letter code"
				end
			end
			check[turn]= @code[turn]
			difference = @code[turn]- @@mastercode
			difference.each {|i|
				check[turn][check[turn].index(i)] = "." }   
			check[turn].reduce(0){|i,letter|
				if letter.eql?(@@mastercode[i]) == true
					check[turn][i]="+"
				i += 1
				elsif letter!="."
					check[turn][i]= "-"
					i +=1
				end}
				turn += 1         ############# HERE @code is equal to check
		end
	end