python Write an expression whose value is True if all the letters in string s are lowercase.

/*** Returns true if the user has won the game, meaning the word and guess are equal. * If the user has won, a message is printed indicating that.* @param word* @param guess* @return true if word and guess are the same, false otherwise*/public static boolean win(String word, String guess) { }

please code in python A tweet is a string that is between 1 and 280 characters long (inclusive). A username is a string of letters and/or digits that is between 1 and 14 characters long (inclusive). A username is mentioned in a tweet by including @username in the tweet (notice the username does not include the @ symbol). A retweet is way to share another user's tweet, and can be identified by the string RT, followed by the original username who tweeted it. Your job is to fill in the function count_retweets_by_username so that it returns a frequency dictionary that indicates how many times each retweeted username was retweeted.tweets = ["This is great! RT @fakeuser: Can you believe this?",         "It's the refs! RT @dubsfan: Boo the refs and stuff wargarbal",         "That's right RT @ladodgers: The dodgers are destined to win the west!",         "RT @sportball: That sporting event was not cool",         "This is just a tweet about things @person, how could you",         "RT…

true or false: The expression (7 // 2) * 3 == 9.0 evaluates to False   python coding