sentence="知之,为知之。不知,为不知。"
#第1步:将各种标点符号统一替换为空窜
for i in [",","。"]:
sentence=sentence.replace(i,"")
print(sentence)
#第2步:进行字频统计
dict1={}
for s in sentence:
dict1[s]=dict1.setdefault(s,0)+1
print(dict1)
sentence="知之,为知之。不知,为不知。"
#第1步:将各种标点符号统一替换为空窜
for i in [",","。"]:
sentence=sentence.replace(i,"")
print(sentence)
#第2步:进行字频统计
dict1={}
for s in sentence:
dict1[s]=dict1.setdefault(s,0)+1
print(dict1)