a = [1,2]
a += [3,4]
print(a)
输出:[1, 2, 3, 4]
a = [1,2]
a.extend([3,4])
print(a)
输出:
[1, 2, 3, 4]
a = [1,2]
a.append([3,4])
print(a)
输出:[1, 2, [3, 4]]
list中加等于和extend以及append的区别
阅读 186
2022-05-13
a = [1,2]
a += [3,4]
print(a)
输出:[1, 2, 3, 4]
a = [1,2]
a.extend([3,4])
print(a)
输出:
[1, 2, 3, 4]
a = [1,2]
a.append([3,4])
print(a)
输出:[1, 2, [3, 4]]
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