Everfighting · May 15, 2017 15:39
diff --git a/list_comprehensions.py b/list_comprehensions.py
 from random import randint
 data = [randint(-10,10) for _ in range(10)]
 results = [x for x in data if x >= 0]
 # 列表解析的速度更快，用timeit测试
diff --git a/list_filter.py b/list_filter.py
 from random import randint
 data = [randint(-10,10) for _ in range(10)]
 results = filter(lambda x: x>=0, data)
	from random import randint
	data = [randint(-10,10) for _ in range(10)]
	results = filter(lambda x: x>=0, data)