Python uses Unicode by default, so you can write anything you want. Let's see an example: € (Euro symbol) ASCII (limited characters) shows a weird character because it can't represent Euro.

ASCII and Unicode are character sets for computers. Imagine ASCII like a small alphabet, only for English letters, numbers, and some symbols.

Python's Unicode support can be easily abused to hide malicious string matches, making code appear innocuous while still performing malicious behavior. In this case, the stealing of sensitive data ...