1. String objects have two formats: STR and Unicode, where Unicode is standard, and STR is the specific encoding implementation (UTF-8,GBK, etc.)
Such as:
A= "Hello"; #str
B=u "Hello"; #unicode
2. Encode converts Unicode to other format
Title: Enter an integer n, output all the smallest factors of n, also called the element factor.
Where any number greater than 1 can be written as a product of several primes, we call these primes the number factor.
For example:
Input: 120
1. Compared to two string differences.# VI diff.py#!/usr/bin/env python
Import Difflib
Text1 = "' Text1:This is Mudule provides classes and fuctions for comparing sequences.including HTML and context and unified diffs.Difflib Document v7.4Add
The Python identifier string rule is similar to most other high-level languages written in C:
One, identifier
Valid identifiers: Must consist of letters, numbers, underscores, and begins with a letter or underscore.
Identifiers are case sensitive.
Using a script to send a GET or post is one of the simplest and most frequent things; then why do I have to yy again? Because not only practice makes perfect, ripe still can produce a lot of things come, see is with who born!
I think it's necessary
With Python's logging, every time you write a log, you make a small module to make the log more convenient.The code is as follows
log.py
Import Logging, Logging.handlersImport ConfigImport Inspect
FORMAT = '% (asctime) s-% (name) s-% (levelname)
Fuzzy Lookup
The code is as follows
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Import OSFrom Glob import Glob #用到了这个模块def search_file (pattern, search_path=os.environ[' path '], PATHSEP=OS.PATHSEP):For path in Search_path.split (OS.PATHSEP):For match in
Example
The code is as follows
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Import Os,sysFrom Os.path import GetSize def lsdir (RootDir):List_dirs = Os.walk (RootDir)Size = 0LFor Root,dirs,files in List_dirs:For name in Files:Size + = GetSize
A recent requirement is to execute the shell command on the page, the first thought is Os.system,
The code is as follows
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Os.system (' Cat/proc/cpuinfo ')
But the results of a printed command on the
Python's syntax is simple.Using a # can be a single-line annotationUse three single quotes”’The middle is the code area.”’will be able to implement multiline annotations, I go. Easy.
The code is as follows
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I. Two list difference sets
If you have the following two arrays:A = [1,2,3]b = [2,3]
The desired result is [1]
Here's a record of three implementations:
1. The normal way
The code is as follows
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RET = []For
The main difference between lists and tuples is that lists can be modified, and tuples cannot be modified. That is, if you want to add elements according to your requirements, the list might be better used. When a sequence cannot be modified, it is
Some pictures were found during Douban, so I was too lazy to dig them one by one. I have previously written c # and python versions for downloading, so I changed the Python code, make it easy to use.#-*-Coding: utf8 -*-Import urllib2, urllib,
Python has been used for more than a year. The scenarios with the largest number of python applications are web rapid development, crawling, and automated O & M: I have written simple websites, automatic Post scripts, email sending and receiving
The full name of AIML Is Artificial Intelligence Markup Language (Artificial Intelligence Markup Language). It is an XML Language used to create a natural Language software proxy. dr. Wallace and the Alicebot open source software organization were
Json is becoming more and more popular. After obtaining strings in json format through python, you can convert them to dict format through the eval function:>>> A = '{"name": "yct", "age": 10 }'>>> Eval (){'Age': 10, 'name': 'yct '}Strings and
After introducing the background of the computer time, I will give you a summary of the examples that are commonly used to get the system time using python, so that you can get started and query quickly, and supports common date formats. Let's first
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