Please Help me find Fault

Question

The Example 1 and Example 2 are almost similar in given code but Example 2 is not running. Please help me find out mistake.
https://code.sololearn.com/WlXFTyq5OCv9/?ref=app
https://code.sololearn.com/WlXFTyq5OCv9/?ref=app
https://code.sololearn.com/WlXFTyq5OCv9/?ref=app

Answer 1

Your learn() function in the second section is missing its close-bracket ("}").

Answer 2

Thank you so much Russ 💐