01 2021 档案

摘要：我们直接给个例子看一下 1 import numpy as np 2 import copy 3 4 a = np.array([1, 'm', [2, 3, 4]]) 5 b = a 6 c = np.copy(a) # 等价于c = a.copy() 7 d = copy.deepcopy(a) 阅读全文