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

Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

Clicking the up arrow key will show previously typed commands. To clear the output on Console, use Ctrl-L. To clear all global variables and restart the Python interpreter (in general, it is Python 1) ...

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.