急,不会,根本就没有思路,实在是搞不出来

img


# 输入的数据将存入data_list
data_list = []
# j是最前面的序号
j = 0

# 循环用于多行输入
while True:
    try:
        m = input().strip()
        if m != '':
            data_list.append(m)
        else:
            break
    except:
        break

for i in data_list:
    i = str(j) + ' ' + '0' + i.split()[0] + ' ' + "%.2f" % (float(i.split()[1]))
    j += 1
    print(i)