In order to store key-value pairs in Python, you can use the dictionary data structure. The dictionary functions in a similar fashion to the Python list, in that it is a collection of data.

To memoize a function in Python, we can use a utility supplied ... def sin_half(x): return sin(x)/2 This caches a maximum of 360 possible values for x, and their corresponding responses.

The one place they are pretty convenient is in languages (like Python) where multiple return values from one function can be used as multiple input parameters to another. But, the use-cases where ...

Learn how Mypy's type checking works with functions and generators. In my last two articles I've described some of the ways Mypy, a type checker for Python, can help identify potential problems with ...

Normally, we’d want to apply a function to an entire column ... if you want to replace multiple substrings with different values, you can use Python’s replace method and provide a list.

Looking back at our calculator program, let's say you want to evaluate an expression over a range of noncontiguous values. If the expression to evaluate is defined in a function provided by the loaded ...

Should the function send back a value, that particular value will then be used where the function was originally called. OK, so writing a void function is super easy and can be done in a short ...