Python Learning Note day3 "basics/functions/variables/recursion"

Content outline:

1. Basic function syntax and features

2. Parameters and Local variables

3. Return value

4. Recursion

5. anonymous function lambda

6. Introduction to Functional programming

7. Higher-order functions

8. Built-in functions

1. Basic function syntax and features

function definition: A function refers to the collection of a set of statements by a name (function name) to encapsulate, want to execute this function, just call its function name.

Basic is called subroutine (sub-process or subroutine), in Pascal is called procedure (process) and function, in C only function, in Java is called method.

Features: 1. Reduce duplicate code 2. Is the program becomes extensible 3. Making programs easy to maintain

Syntax Definitions:

1 def func ():          #  defines a function, func, for the functions name 2     print("Hello  world! " )34 func ()   #  Hello  world!  # Call Function

Python Learning Note day3 "basics/functions/variables/recursion"