用python计算大文件夹下小文件夹里文件的个数

# -*- coding: utf-8 -*-#计算人脸图片集中每个文件夹里图片的个数#编辑器为python2.7import oscount1 = 0    #计数大文件夹下共有多少个小文件夹for filename in os.listdir('F:/2017110215/MachineVision/22'):    #print filename    count1 += 1print (count1)j = 0          #计数 图片个数小于10的文件夹有多少个for filename in os.listdir('F:/2017110215/MachineVision/22'):    print filename,       #输出每个文件夹的名字，逗号使输出不换行    print " : ",    count = 0        #计算小文件夹下图片数量    path = os.path.join('F:/2017110215/MachineVision/22', filename)    ls = os.listdir(path)    for i in ls:        if os.path.isfile(os.path.join(path,i)):            count += 1    # if count > 100:    #     j += 1    #     print (filename),    #     print (" : "),    #     print (count)    print count# print (j)