Python extend関数解読
1560 ワード
1 num = [1,2]
2 print(' 1 2 ')
3 num.extend([1]*2)
4 print(num)
5 print(' 2 3 ')
6 num.extend([2] * 3)
7 print(num)
8 num1 = [4,5]
9 num.extend(num1) #num1 num
10 print(num)結果:
1を2回反復
[1, 2, 1, 1]
2を3回反復
[1, 2, 1, 1, 2, 2, 2][1, 2, 1, 1, 2, 2, 2, 4, 5]