def defaultSearch ()
arrayHashtags=["#jeuxolympiques2018", "#JO2018@", "#JO", "#espritbleu", #pyeongchang2018"]
arrayTweets=[]
for hashtag in arrayHashtags
#Here, do a for in the last 12h tweets instead of this loop (function by Othmane)
for tweet in tweepy.Cursor(api.search, q=hashtag,count=100, lang="fr", since="2018-02-019").items():
#We store the tweet in a tweet object (function by Alexandre)
arrayTweets.append(Tweet(tweet.text,tweet.author,tweet.created_at,tweet.location))
#We return the array with all the tweets so that they can be analized by Antoine's function
return arrayTweets