Add source example files

source/pandas/01-pandas-files/02-database-sqlite.py

@@ -0,0 +1,10 @@
+import sqlite3
+import pandas as pd
+
+
+if __name__ == '__main__':
+    connection = sqlite3.connect("../data/people.sqlite")
+    df = pd.read_sql("SELECT * FROM person", connection)
+    connection.close()
+
+    print(df)