Python · SQLite & XML

What does `ElementTree.parse(file)` return, and how do you get to the top tag? ``` import xml.etree.ElementTree as ET tree = ET.parse("dict.xml") root = tree.??? ```

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You build an INSERT query by interpolating user input directly: ``` name = user_input sql = ("INSERT INTO suppliers " "VALUES ('%s')" % name) cur.execute(sql) ``` Why is this dangerous, and what's the fix?

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What does cursor.fetchone() return after the last row has already been read?

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