Python nesting functionsThe nested function, as the name implies, is the function inside the nested function.
def A(a):
print "I am A"
def B(b):
print "a+b=",a+b
print "I am B"
B(2)
print "Over!
CauseLate at night suddenly want to download a little ebook to expand the Kindle, just think of Python learning too shallow, what "decorator" Ah, "multi-threaded" Ah did not learn.It is a classic and famous Python tutorial to think of the great God
Overview: share a function module that defines an output multi-list element.1. First create a folder for the templateEdit the nester.py file with the following content:def print_lol(the_list): forin the_list: if isinstance(each_item,list):
Win (python2.7):Execute this file1 #!/usr/bin/env python2 #Encoding:utf-83 4 #5 #script to register Python 2.0 or later for use with Win32all6 #and other extensions that require Python registry settings7 #8 #written by Joakim Loew for Secret Labs Ab/
Python read Binary File
For details, refer to the title book of the struct package
# Encoding: gbkimport structimport binasciivalues = (65533, 'sh', 75533,99985544) # data to be binary s = struct. struct ('I 2 s I I') # format packed_data = s.
Python image and collection typeDictionary
I. dictionary OverviewThe dictionary is the only ing type in python. The hash value in the ing type object is 1: n to the object value.The dictionary object is variable and can be considered as a container
Python Show-Me-the-Code 0,010th question generation Verification Code Image
Question 0,010th:Use Python to generateLetter Verification Code Image
Reading Materials
Idea: first generate a Random verification code, and then use the Python PIL library
Python uses django to obtain the user IP address, pythondjango
This example describes how to use django to obtain user IP addresses in Python. Share it with you for your reference. The details are as follows:
Function implementation:
Def
Summary: three common skills in Python programming and three skills in python Programming
You can see some common trick in the python code. Here is a simple summary.Json string formatting
Json strings are often used when developing web applications.
Python string replacement instance analysis and python instance analysis
This document describes how to replace Python strings. Share it with you for your reference. The details are as follows:
Single Character replacement
S = 'abcd' a = ["a", "B"
Python parses nginx log files,
One requirement of the project is to parse nginx log files.A simple arrangement is as follows:
Log Rule Description
First, you must specify your Nginx log format. The default Nginx log format is used here:
log_format
Python learning Data Structure instance code, python Data Structure instance
When learning python, it is used to practice code and review the data structure
#coding:utf-8#author:Elvis class Stack(object): def __init__(self, size=8): self.stack =
Python introduces MONGODB instances and pythonmongodb instances
This article describes how to use MONGODB in Python. Share it with you for your reference. The details are as follows:
1. Start mongodb
Mongod -- dbpath d: \ db
2. Start as a system
Parse in detail the advanced applications of the _ init _ () method in Python, python _ init __
Use the factory function to use _ init _ ().
We can use factory functions to build a complete set of playing cards. This is much better than enumerating
Simple use of python PIL module for image processing,
This article describes how to use the PIL module of python to process images. Share it with you for your reference. The specific implementation method is as follows:
#! /Usr/bin/env python #
Python Binary Search Algorithm instance analysis and python Binary Search
This article analyzes the Python binary search algorithm. Share it with you for your reference. The specific analysis is as follows:
Today, when I read a book, the book
Python uses openpyxl to generate an Excel file,
This example describes how to use openpyxl to generate an Excel file. Share it with you for your reference. The details are as follows:
Install openpyxl before use:
easy_install openpyxl
This module
Python compares two xml content methods, and python compares xml content
This example describes how to compare two xml content in python. Share it with you for your reference. The specific analysis is as follows:
from xml.etree import ElementTree OK=
Python uses the divide and conquer method to calculate the maximum value.
This example describes how to use the divide and conquer method to obtain the maximum value in python. Share it with you for your reference. The specific analysis is as
Python connection to MySQL database instance analysis, pythonmysql
This article describes how to connect python to the MySQL database. Share it with you for your reference. The specific implementation method is as follows:
Import MySQLdbconn =
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service