python寻找np.adarray数据中的nan所在位置

np.where(np.isnan(data))

输出的第一个元素是行号，第二为列号

(array([ 61703,  61704,  61705,  61706,  61707,  61708,  61709,  61710,
         61711,  61712, 359873, 359874, 359875, 359876, 359877, 359878,
        442470, 442471, 442472, 442473, 442474, 442475, 620845, 620846,
        620847, 620848, 620849, 620850, 710812, 710813, 710814, 710815,
        710816, 710817], dtype=int64),
 array([104, 104, 104, 104, 104, 104, 104, 104, 104, 104,   1,   1,   1,
          1,   1,   1,   3,   3,   3,   3,   3,   3,   1,   1,   1,   1,
          1,   1, 108, 108, 108, 108, 108, 108], dtype=int64))