import re


def remove_users(tweet):
    """Takes a string and removes retweet and @user information"""
    tweet = re.sub('(RT\s@[A-Za-z]+[A-Za-z0-9-_]+)', '', tweet)  # remove re-tweet
    tweet = re.sub('(@[A-Za-z]+[A-Za-z0-9-_]+)', '', tweet)  # remove tweeted at
    return tweet