diff --git a/ArticleViewsI.py b/ArticleViewsI.py
new file mode 100644
index 0000000..b5278b4
--- /dev/null
+++ b/ArticleViewsI.py
@@ -0,0 +1,11 @@
+'''
+Pandas2
+
+1 Problem 1 : Article Views I ( https://leetcode.com/problems/article-views-i/ )
+'''
+
+import pandas as pd
+
+def article_views(views: pd.DataFrame) -> pd.DataFrame:
+    views = views[views['author_id'] == views['viewer_id']].drop_duplicates(subset='author_id').sort_values(by='author_id')
+    return views[['author_id']].rename(columns={'author_id':'id'})
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diff --git a/InvalidTweets.py b/InvalidTweets.py
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index 0000000..708d55f
--- /dev/null
+++ b/InvalidTweets.py
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+'''
+2 Problem 2 :Invalid Tweets ( https://leetcode.com/problems/invalid-tweets/ )
+'''
+
+import pandas as pd
+
+def invalid_tweets(tweets: pd.DataFrame) -> pd.DataFrame:
+    tweets = tweets[tweets['content'].str.len() > 15]
+    return tweets[['tweet_id']]
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