Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

Sorting a list in Python is simple, and you have two options: In-place: Modifies the list. Out-of-place: Returns a new list and doesn't modify the original list. The sort method is in-place, and it ...

While some older code may use Python 2, it’s no longer being supported, according to the Python Software Foundation. One key difference between the two is the syntax behind certain statements.

The dictionary functions in a similar fashion to the Python list, in that it is a collection of data. In this case, however, dictionaries hold key-value pairs instead of single values.

lru_cache basics To memoize a function in Python, we can use a utility supplied in Python’s standard library—the functools.lru_cache decorator. lru_cache isn’t hard to use.