How to cleanup tweets

Cleanup Tweet

#tweet is a single tweet
def clean_tweet(tweet):
    tweet = re.sub("https?\:\/\/", "", tweet)   #links
    tweet = re.sub("#\S+", "", tweet)           #hashtags
    tweet = re.sub("\.?@", "", tweet)           #at mentions
    tweet = re.sub("RT.+", "", tweet)           #Retweets
    tweet = re.sub("Video\:", "", tweet)        #Videos
    tweet = re.sub("\n", "", tweet)             #new lines
    tweet = re.sub("^\.\s.", "", tweet)         #leading whitespace
    tweet = re.sub("\s+", " ", tweet)           #extra whitespace
    tweet = re.sub("&", "and", tweet)       #encoded ampersands
    return tweet