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 # Pandas2
 1 Problem 1 : Article Views I	(	https://leetcode.com/problems/article-views-i/  )
 
+Write a solution to find all the authors that viewed at least one of their own articles.
+
+Return the result table sorted by id in ascending order.
+
+The result format is in the following example.
+------------------------------------------------
+import pandas as pd
+
+def article_views(views: pd.DataFrame) -> pd.DataFrame:
+    df = views[views['author_id'] == views['viewer_id']]
+    return df[['author_id']].drop_duplicates().rename(columns={'author_id': 'id'})
+
+
+
 2 Problem 2 :Invalid Tweets	(	https://leetcode.com/problems/invalid-tweets/ )
 
+Write a solution to find the IDs of the invalid tweets. The tweet is invalid if the number of characters used in the content of the tweet is strictly greater than 15.
+
+Return the result table in any order.
+
+The result format is in the following example.
+
+------------------------------------------------
+import pandas as pd
 
+def invalid_tweets(tweets: pd.DataFrame) -> pd.DataFrame:
+    return tweets[tweets['content'].str.len() > 15][['tweet_id']]