python 遍歷刪除
阿新 • • 發佈：2021-01-13
技術標籤：python
1.
a = [1, 2, 3, 4, 5, 6, 7, 8]
# print(id(a))
# print(id(a[:]))
for i in a[:]:
if i > 5:
a.remove(i)
print(a)
# print(id(a))2.filter
內建函式filter()官方文件參考：https://docs.python.org/3/library/functions.html#filter
-
a = [1,2,3,4,5,6,7,8] -
b = filter(lambda x: x>5,a) -
print(list(b))
執行結果：
3.列表解析
-
a = [1,2,3,4,5,6,7,8] -
b = [i for i in a if i >5] -
print(b)
執行結果：
