Resources used:

Hex value of 0x17F: https://numbermonk.com/hexadecimal/383/en

XOR operator: https://python-reference.readthedocs.io/en/latest/docs/operators/bitwise_XOR.html

Regex: https://docs.python.org/2/library/re.html

Base64 Python module: https://docs.python.org/3/library/base64.html

Bitwise comparison concepts: https://www.youtube.com/watch?v=NLKQEOgBAnw&list=PLQbxgIKVVeTM1hG0CJDOHOBriqFJJPM20&index=7

Hope you enjoy reading my work!