9. Functional Programming Modules

The modules described in this chapter provide functions and classes that support a functional programming style, and general operations on callables.

The following modules are documented in this chapter:

• 9.1. itertools — Functions creating iterators for efficient looping
  • 9.1.1. Itertool functions
  • 9.1.2. Itertools Recipes
• 9.2. functools — Higher-order functions and operations on callable objects
  • 9.2.1. partial Objects
• 9.3. operator — Standard operators as functions
  • 9.3.1. Mapping Operators to Functions
• 9.4. Inplace Operators