1 S = input()
 2 # 在一行輸入3 空格 4
 3 # 相當于 S = "3 4",此時 “3 4” 為一個因空格分割的字符串
 4 
 5 S = S.split()
 6 
 7 # S.split() 把"3 4" 轉換成["3","4"] (一個列表)
 8 
 9 print(S)
10 print(S[0] + S[1])
11 print(int(S[0]) + int(S[1]))

print("34\t\t45\n7".split())  #>>["34","45","7"]

s = "12 34"
1st = s.split()
print(1st)  #>>["12","34"]