场景：某个文件夹下面包含数量巨大的文件，需求需要将这些文件按组（比如5000个一组）存放到不同的目录中去。
#Filename: CopyFiles.pyimportosimportos.path
folder_capacity= 20defcopy_files(src_dir, dest_dir):
count=0
current_folder=''foriteminos.listdir(src_dir):
abs_item=os.path.join(src_dir, item)ifos.path.isfile(abs_item):
count+= 1ifcount%folder_capacity == 1:
current_folder= os.path.join(dest_dir, str(count/folder_capacity))
os.mkdir(current_folder)
open(os.path.join(current_folder, item),'wb').write(open(abs_item,'rb').read())
copy_files(r'C:\\src', r'C:\\dest')