Python3
多行输入要用 try - except
while 1: try: a = input().split() a.sort() for i in range(len(a) - 1): print(a[i], end=" ") print(a[len(a) - 1]) except: break
while 1: try: a = input().split() a.sort() for i in range(len(a) - 1): print(a[i], end=" ") print(a[len(a) - 1]) except: break
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