my_tweets_new = []
for tweet in my_tweets:
tweet = tweet.lower()
tweet = re.sub(r"^https://t.co/[a-zA-Z0-9]*\s", " ", tweet) #이 패턴이 트윗에 있으면 스페이스로 변환~(특수문자로 조합한패턴있으면 스페이스 변환해 날림-불필요한거날림, )=불필요한거 지우겠다
tweet = re.sub(r"\s+https://t.co/[a-zA-Z0-9]*\s", " ", tweet)
tweet = re.sub(r"\s+https://t.co/[a-zA-Z0-9]*$", " ", tweet)
tweet = re.sub(r"that's","that is",tweet)
tweet = re.sub(r"there's","there is",tweet)
tweet = re.sub(r"what's","what is",tweet)
tweet = re.sub(r"where's","where is",tweet)
tweet = re.sub(r"it's","it is",tweet)
tweet = re.sub(r"who's","who is",tweet)
tweet = re.sub(r"i'm","i am",tweet)
tweet = re.sub(r"she's","she is",tweet)
tweet = re.sub(r"he's","he is",tweet)
tweet = re.sub(r"they're","they are",tweet)
tweet = re.sub(r"who're","who are",tweet)
tweet = re.sub(r"ain't","am not",tweet)
tweet = re.sub(r"wouldn't","would not",tweet)
tweet = re.sub(r"shouldn't","should not",tweet)
tweet = re.sub(r"can't","can not",tweet)
tweet = re.sub(r"couldn't","could not",tweet)
tweet = re.sub(r"won't","will not",tweet)
tweet = re.sub(r"\W"," ",tweet)
tweet = re.sub(r"\d"," ",tweet)
tweet = re.sub(r"\s+[a-z]\s+"," ",tweet)
tweet = re.sub(r"\s+[a-z]$"," ",tweet)
tweet = re.sub(r"^[a-z]\s+"," ",tweet)
tweet = re.sub(r"\s+"," ",tweet)
my_tweets_new.append(tweet)