Seven: built-in functions Anonymous functions

1 Introduction

As of version 3.6.2 python, python now provides us with a total of 68 built-in functions . They are available to all python functions you can use directly used.

See Common

https://docs.python.org/3/library/functions.html#object

2. anonymous function

Also known as word function, when the function is very simple when you can use

lambda x,y:x+y

3. Combination

The key parameters of higher-order functions, can be replaced with lambda