python sample
sample(序列a，n)
功能：从序列a中随机抽取n个元素，并将n个元素生以list形式返回。
from random import randint, sample date = [randint(10,20) for _ in range(10)] c = sample(date, 5) print(c) # 输出：[12, 17, 10, 12, 17]
randint(10,20) for _ in range(10)：从10~20间随机抽取10个数；
sample(序列a，n)
功能：从序列a中随机抽取n个元素，并将n个元素生以list形式返回。
from random import randint, sample date = [randint(10,20) for _ in range(10)] c = sample(date, 5) print(c) # 输出：[12, 17, 10, 12, 17]
randint(10,20) for _ in range(10)：从10~20间随机抽取10个数；
