Identifiers, such as variable or function names, must be alphanumeric in JavaScript and Python. In other words, they can only contain letters, digits, and a few special characters. At the same time, they can’t start with a digit. While non-Latin characters are allowed, you should generall...
Python has a set of keywords that are reserved words that cannot be used as variable names, function names, or any other identifiers: KeywordDescription andA logical operator asTo create an alias assertFor debugging breakTo break out of a loop ...
Finally, we can mask or remove identifiers like URLs or email addresses if they are not relevant for the analysis or if there are privacy issues. Now the text is clean enough to start linguistic processing. Here, tokenization splits a document into a list of separate tokens like words and ...