利用pycharm对mnist数据哭进行直接解压缩操作，得到所有的图片和标签(Using pycharm to wept MNIST data directly, get all the pictures and labels)

采用Python语言，在pycharm运行平台下，实现对特定图片中特定物体的检测与提取。(Python language is used to realize the detection and extraction of specific objects in specific pictures on the platform of pycharm.)