Len and Sum
Learn how to reduce iterables using the "len" and "sum" functions.
We'll cover the following...
We'll cover the following...
Reducing functions
In the earlier chapter on Iterators, we divided the built-in iterator functions into groups:
- Transforming functions
- Reducing functions
- Converting functions
- Primitive functions
In this chapter, we will cover the reducing functions.
A reducing function takes all the values from an iterable and reduces them to a single representative value. For example, ...