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 ...