numpy.nditer.copy# 方法 nditer.copy()# 获取迭代器在当前状态下的副本。 示例 >>> import numpy as np >>> x = np.arange(10) >>> y = x + 1 >>> it = np.nditer([x, y]) >>> next(it) (array(0), array(1)) >>> it2 = it.copy() >>> next(it2) (array(1), array(2))