floating_num = floating_num[0].split(' ')

floating_num = ['6.7', '6.8', '6.9', '7.0', '7.1']

floating_num = [float(x) for x in floating_num]

floating_num = [6.7, 6.8, 6.9, 7.0, 7.1]

['6.7', '', '6.8', '6.9', '', '', '7.0', '', '7.1']