def count_chars(file):text=open(file,'r').read()text=text.lower()words=text.split()cDict=dict()global sum_wordssum_words=0for w in words:w=remove_punctuation2(w)if w=="": continueif w in cDict:cDict[w]+=1sum_words+=1else:cDict[w]=1sum_words+=1return cDictdef remove_punctuation2(word): #join명령어 "기호".join(리스트)return "".join([ch for ch in word if 'a'