workbook = WriteExcel.new ('/Users/oleg/Desktop/Mtrx.xlsx')

# Add worksheet(s)
worksheet  = workbook.add_worksheet
mafia_cisel = [1,2,3,4,5]
mafia_chisel_2 = [0,1,2,3,4,5]
magic_bukv = ["A1", "A2", "A3", "A4", "A5"]
magic_bukv_2 = ["Z", "A", "L", "U", "P", "A"]
mafia_cisel.map do |element|
    worksheet.write(0, element,  'Hi Excel.') # cell B3
end
magic_bukv.each_with_index do |letter|
    magic_bukv_2.map do |element|
    worksheet.write(letter, element)
  end
end

workbook.close