#python uses the flyweight design pattern to intern strings

#python sets are useful when you need:

- fast membership testing
- deduplication or uniqueness guarantees
- comparing two sets of items

#python list tips:
- reversed(list) is more memory efficient for reversing a list than slicing list[::-1] because it returns an iterator instead of a copy
- You can remove multiple items with slice assignment using list[1:4] = [] or del a[1:4]

#python variable scoping can be confusing if you’re used to other programming languages.

A scope determines where a variable name is visible, and it’s lifetime.

Python checks for the variable definition in the following order, and stops at the first match

ChatGPT has started quietly nudging people towards their search extension. It's been out since December 2024, and has 4M users. Will this make a dent into Google?