python中从控制台读入多行int型数据并保存每一行

# Enter your code here. Read input from STDIN. Print output to STDOUT
from sys import stdin
team=[]
while True:
    line = stdin.readline().strip()
    if line=="":
        break
    item = line.split(" ")
    item = [int(i) for i in item]
    team.append(item)
print team