import osimport string path = "/Users/U/workspace/python learning/show-me-the-code/0007/test/"dir = os.listdir(path) def count(file):  total = 0 #總行數  countPound = 0 #注釋行數  countBlank = 0 #空行數  line = open(file,'r',encoding='utf-8') #打開文件，因為注釋有中文所以使用utf-8編碼打開  for li in line.readlines(): #readlines()一次性讀完整個文件    total += 1    if not li.split(): #判斷是否為空行      countBlank +=1    li.strip()    if li.startswith('#'):      countPound += 1  print(file)  print("countBlank:%d" % countBlank)  print("countPound:%d" % countPound)  print("total:%d" % total) for file in dir:  count(path + file)