Fix test in Advanced Functions (#173)

Author: edoardob90

tutorial/tests/test_functions_advanced.py

@@ -2,6 +2,8 @@
 import time
 import typing as t
 from string import ascii_lowercase as lowercase
+from string import ascii_uppercase as uppercase  # noqa: F401
+from string import digits, punctuation  # noqa: F401
 
 import pytest