import sys
for array_num in sys.stdin:
    lines=sys.stdin.readline()
    a=lines.strip().split(' ')
    l=[]
    for i in a:
        i=int(i)
        l.append(i)
    l.sort()
    o=[str(a) for a in l]
    print(' '.join(o))

稍微簡化的寫法

from sys import stdin

for num in stdin:
    a = [int(s) for s in stdin.readline().strip().split(' ')]
    l = [str(n) for n in sorted(a)]
    print(' '.join(l))