all_data = input().split(';') b = all_data[1].split(',') scores = list(map(lambda x: round(eval(x) + 0.0001, 2), all_data[1].split(',')))
print('The each subject score of No. {} is {:.2f}, {:.2f}, {:.2f}.'.format(all_data[0], scores[0], scores[1], scores[2]))

round奇进偶舍

即在小数点后位数正好为5时，如后面无其他数，奇数进位，偶数收取，故加上0.0001区分