python3 牛客网：OJ在线编程常见输入输出练习（ACM模式）

while True:
    try:
        a = list(map(int,input().split()))
        print(a[0]+a[1])
    except:
        break

while True:
    try:
        a,b=map(int,input().strip().split())
        print(a+b)
    except EOFError:
        break

t = int(input())
for i in range(t):
    a, b = list(map(int, input().split()))
    print(a+b)

while True:
    a, b = map(int, input().split())
    if a == 0 and b == 0:
        break
    print(a + b)

while True:
    data=list(map(int,input().strip().split()))
    n,array=data[0],data[1:]
    if n==0:
        break
    print(sum(array))

tcase=int(input().strip())
for case in range(tcase):
    data=list(map(int,input().strip().split()))
    n,array=data[0],data[1:]
    print(sum(array))

while True:
    try:
        data=list(map(int,input().strip().split()))
        print(sum(data))
    except EOFError:
        break

n=int(input())
words=[x for x in input().strip().split()]
words.sort() #list.sort( key=None, reverse=False)
#reverse -- 排序规则，reverse = True 降序， reverse = False 升序（默认）。
for word in words:
    print(word,end=' ')
print()

while True:
    try:
        words=[x for x in input().strip().split()]
        words.sort()
        for word in words:
            print(word,end=' ')
        print()
    except EOFError:
        break

while True:
    try:
        words=[x for x in input().strip().split(',')]
        words.sort()
        for word in words[:-1]:
            print(word,end=',')
        print(words[-1])
    except EOFError:
        break