79 重洗数据集¶
使用shuffle用来重洗数据集，值得注意``shuffle``是对lst就地(in
place)洗牌，节省存储空间
from random import shuffle
lst = [randint(0,50) for _ in range(100)]
shuffle(lst)
print(lst[:5]) # [50, 3, 48, 1, 26]
使用shuffle用来重洗数据集，值得注意``shuffle``是对lst就地(in
place)洗牌，节省存储空间
from random import shuffle
lst = [randint(0,50) for _ in range(100)]
shuffle(lst)
print(lst[:5]) # [50, 3, 48, 1, 26]