import collections #計數器
import os
import string

path = "/Users/U/workspace/python learning/show-me-the-code/0006/diary/" #diary dir
dir = os.listdir(path) #讀取目錄
sum = 0 #單詞總數
wanna = 'I' #想要統計的單詞
for file in dir: #遍歷目錄
    with open(path + file) as diary:
        list = diary.read().split(' ') #單詞以空格分開
        newlist = [word.translate(word.maketrans("","",string.punctuation)) for word in list] #幹掉所有標點符號
        #用maketrans建立一個對映表 translate根據對映錶轉化字串
        sum += int(collections.Counter(newlist)[wanna]) #統計所以日記中單詞"I"的個數
        #print(newlist) #test newlist
print('%s:%d' % (wanna,sum))