well-written Python scriptThe encrypted file is nothing to see.3. Decrypt (we enter the wrong password once, of course, the higher the password approximation, the more content will be restored, of course, if it is a picture or sound then you can not play the wrong one)Third, the Wang wrote the encryption source (if there is insufficient please correct)1 #Author: Smallfoxdog Little fox Dog2 #Date: March 20,
Converter 3: hand-written PHP to Python compiler, lexical part, python lexical
Last week I wrote ThinkPhp template to Flask and Django template.
The trick is to turn the entire PHP program into Python. Unlike templates, regular expression matching can be used to get lazy. This time it is not necessary to write a Php co
Python is an explanatory language, and the code executes in a line that translates into machine language that the CPU can understand.Python is characterized by simplicity and elegance.The advantage of Python is thatCode EleganceRich base code base, including network, file, GUI, database, textThird-party library RichThe disadvantage of Python is thatLow execution
This article mainly introduces how Python 2 and Python 3 coexist in Windows. This article is very detailed and has some reference value for everyone. if you need it, let's take a look at it. Preface
I have always used Python 3. recently I have studied public account develop
For details about how Python 2 and Python 3 coexist in Windows, python2python3
Source: http://www.jb51.net/article/105311.htm
This article mainly introduces how Python 2 and Python 3 coexist in Windows. This article is very detail
Python learning: (3) automated form submission, python form
The automatic submission of a form is used today to learn more about selenium usage.
Exercise Objectives
0) Use selenium to start firefox and load the specified page (this part can be viewed in my article http://www.cnblogs.com/liu2008hz/p/6958126.html)
1) page element search (multiple search methods: fi
Reference: "Python 3 Program Development Guide"integer Conversion Functions :
Bin (i)
Returns the binary representation of the integer I (string)
Hex (i)
Returns the hexadecimal representation of I (String)
int (x)
Converts an X to an integer, fails to produce an ValueError exception, the data type of x does not know that the conversion of an inte
Sixth day of Python learningWrite this blog to motivate yourself and share your experiences and issues with others.First, class notes1. the method that can be invoked must be an object. 2. Basic process of file operation: open--operation--close (focus on operation)3. The mode of opening the file is: (three most basic mode of operation)
R, read-only mode (default).
W, write-only m
See this topic you may guess what I want to say next, oh, yes, that is the list of these two different versions of the But not!
You'll find that Python has two major versions, Python2 and Python3, but Python is different from other languages, backward-compatible, and Python3 is backward-compatible, but most of the components and extensions are based on Python2, Here's a summary of the difference between Py
Python learning 3: List, tuples, and python learning list1. List: 1. How to define a list:
list1 = [1,2,3,4,"hello","world"]
As shown above, list1 is a list. The content of the list is enclosed in brackets.
print(list1[2])
The value is calculated using the following table. The following table starts from 0, returns the subscript numbered 2, and the obtained value
Python, article 3: What is. pyc ?, Python. pyc
What is. pyc?
1. Is Python an interpreted language?
When I was a beginner in Python, the first sentence I heard about Python was that Python
Several examples of code that is compatible with Python 2.x and Python 3.x, python2.xpython3. x
Write compatible Python and 3.x code
When we are in Python 2. x to Python
Python Reading Notes-Chapter 3, chapter 4, python Reading NotesChapter 3 1. string formatting >>> format = "hello % s world" >>> values = ('World', 'hot ') >>> print format % values # You can also receive a single string or use the % f % d type. When matching multiple parameters with c's printf, you should use parenthe
Python learning path 3: python learning pathContent of this section:
Common string processing.
Format the output string.
String replacement.
Conversion of strings and binary data.
Dictionary operations
String operation
Common string processing
Name = 'vector 'print (name. capitalize () # print (name. count ('E') # determine the number of print (name. cente
Python-crawler Problem Solving Thinking (3), python Crawler
Continue with the content of the previous article. In the previous article, the crawler scheduler has been written, and the scheduler is the "brain" of the whole crawler program. It can also be called a command center. Now, we need to write the other components used in the scheduler. First, it is the u
This chapter is based primarily on the tutorial simplification of the Python manual (shipped with Python). Have time to view the official original document. You can also find manual when you encounter a module or function that is not clear. Built-in data Types
As with most dynamic languages, a variable in Python is a dynamic variable, so you don't need to specify
This article mainly introduces the comparison between Python 2 and Python 3 and encoding. This article describes in detail. For more information, see the following. I. version comparison
The Python version is mainly divided into two categories:
Python 2.7.3 is the most wide
QQ space Python crawler (3) --- final chapter, python Crawler
After testing, the code in the previous section is successfully run, and the next step is to add loop crawling to get all the instructions -. -
Complete code:
1 import requests 2 import json 3 import OS 4 import shutil 5 import time 6 7 qq = 627911861
The following problems involve the makeTextFile. py and readTextFile. py scripts.[Note] the source code of makeTextFile. py and readTextFile. py found on the network is slightly different from the original book example.
'Maketextfile. py -- create text file'
Import OS
# Get filenameWhile True:Fname = raw_input ('enter file name :')If OS. path. exists (fname ):Print "*** ERROR: '% s' already exists" % fnameElse:Break
# Get file content (text) linesAll = []Print "\ nEnter lines ('.' by itself to q
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