diff --git a/Aricles Views I.py b/Aricles Views I.py
new file mode 100644
index 0000000..6f66d31
--- /dev/null
+++ b/Aricles Views I.py	
@@ -0,0 +1,7 @@
+import pandas as pd
+
+def article_views(views: pd.DataFrame) -> pd.DataFrame:
+    df= views[views['author_id']==views['viewer_id']]
+    df.drop_duplicates(subset=['author_id'], inplace=True)
+    df.sort_values(by=['author_id'],inplace=True)
+    return df[['author_id']].rename(columns={'author_id':'id'})
diff --git a/Invalid Tweets.py b/Invalid Tweets.py
new file mode 100644
index 0000000..ca17741
--- /dev/null
+++ b/Invalid Tweets.py	
@@ -0,0 +1,6 @@
+import pandas as pd
+
+def invalid_tweets(tweets: pd.DataFrame) -> pd.DataFrame:
+    isValid=tweets['content'].str.len()>15
+    df=tweets[isValid]
+    return df[['tweet_id']]
\ No newline at end of file