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the Cyan foreground37 Setting White (gray) foreground38 underline on the default foreground color39 Turn the underline off on the default foreground color40 Setting a black background41 Setting the red background42 Setting the green background43 Setting the yellow background44 Setting the blue background45 Setting purple Background46 Setting the Cyan background47 Set White (gray) background49 Setting the default black backgroundEcho-e "\033[0m \033[45;32;5m***\033[0m\n \033[45;32;5m*\033[0m"I u
), (2, 2), (3, 3)]}{1:2, 2:4, 3:6}>>>7. Achieve Python3-like printing>>> from __future__ import print_function>>> for line in open ('/home/zh/desktop/Notes '):p rint (line, ')8. Conditional judgment in an assignment statement>>> c= ' 1111122222333334444455555 '>>> d=c[:5]+ ' # ' +c[5:] If Len (c) >>> D' 11111#22222#33333#44444#55555 '>>>9.zip and Map,enumerate>>> A[1, 2, 3]>>> b[5, 6, 7]>>> Zip (A, B)[(1, 5), (2, 6), (3, 7)]>>> type (Zip (b))>>> Map (chr,a)[' \x01 ', ' \x02 ', ' \x03 ']>>> p=['
Have time system read the Python study manual and record some easy-to-forget points1.python function High Polymerization low coupling1) Use parameters for input and return for output2) Use global variables only when it is really necessary3) do not change the parameters of the mutable type unless the caller wishes to do so4) Each function should have a single, unified goal5) Each function should be relativel
Python String concatenation, truncation and Replacement Methods Summary analysis, python string This document describes how to splice, intercept, and replace Python strings. We will share this with you for your reference. The details are as follows: Python string connection
Python batch replacement of header and footer instance code, python header and footer instanceIntroduction The example code shared in this article mainly uses the python language to replace the header and footer in batches. The details are as follows.Code #! /Usr/bin/env python
Python implements the cache replacement algorithm with time for space, and python Algorithm Cache refers to a memory that can exchange high-speed data. It exchanges data with the CPU before the memory, so the speed is very fast. Cache is to temporarily store some data in some places, which may be memory or hard disk. When Scrapy is used to crawl a website, additi
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", "c"] B = ["c", "d", "e"
Python implements automatic ip address replacement, while python replaces ip addresses. This example describes how to automatically replace an ip address in python. Share it with you for your reference. The specific implementation method is as follows: #! /Usr/bin/env python
Python-Day4 achieves simple shell sed replacement function, python-day4sed Code: 1 f = open ('yesterday', 'R', encoding = 'utf-8') 2 f2 = open ('Yesterday. bak ', 'w', encoding = 'utf-8') 3 old_str = input ('Enter the character to modify :') 4 replace_str = input ('Enter the character to replace with: ') 5 for line in f. readlines (): 6 line = line. replace (ol
Python string replacement is a problem that is often encountered when python operates on strings. here we will briefly introduce the string replacement method. python string replacement is a problem that is often encountered when
/73089.htmlNote: The number in the command is the version number, you can also change the 3.3.0 to the version you need, as of the time I wrote (January 29, 2013), the latest available version is 3.3.03rd Step: Unzip the downloaded binary package and compile the installationCopy the code code as follows:#tar-JXVF python-3.3.0.tar.bz2#cd Python-3.3.0#./configure#make All#make Install#make Clean#make Distclea
This article mainly introduces the Python regular expression replacement string function re. sub usage, combined with the instance form analysis of the regular expression replacement string function re. sub functions and simple use methods have some reference value. if you need sub functions, refer to the example in this article to describe
Python Basic _ full-text or single-line replacement of file operations, When python modifies a file, the original file is cleared/overwritten in w mode. You can use the read (r) method to open it, write it to the memory, and then use the write (w) method to open it. 1. Replace taste in the text with tasting Yesterday when I was young and frivolous The taste of li
Python Regular Expression replacement string function re. sub usage example, pythonre. sub This example describes how to use the Python Regular Expression replacement string function re. sub. We will share this with you for your reference. The details are as follows: Python
This article mainly introduces the Python string replacement method. The example compares and analyzes the skills related to single character replacement and string replacement, which is very simple and practical, for more information about how to replace Python strings, see
(regex) result = reobj.split(subject) The following lists the matching usage of Python regular expressions: 1. test whether the regular expression matches all or part of the string regex = ur "..." # Regular expression if re.search(regex, subject): do_something() else:do_anotherthing() 2. test whether the regular expression matches the entire string regex = ur "... \ Z" # the regular expression ends with \ Z at the end. if re.match(regex, subject)
This article describes how Python implements a bulk replacement of file extensions in a specified directory. Share to everyone for your reference, specific as follows: #encoding =utf-8 #author: Walker #date: 2013-12-06 #function: Depth Traversal specified directory, replace the specified extension import OS import os.path #读入指定目录并转换为绝对路径 ro Otdir = raw_input (' root dir:\n ') RootDir = Os.path.abspath
When python modifies a file, the original file is cleared and overwritten in w mode. You can use the Read (r) method to open it, write it to the memory, and then use the write (w) method to open it. When python modifies a file, the original file is cleared/overwritten in w mode. You can use the Read (r) method to open it, write it to the memory, and then use the write (w) method to open it. Replace taste
In computer languages, Python strings are commonly used. In actual application, if you are confused about Python strings, the following is a detailed description of the application process. Alignment of Python strings in output: S.ljust(width,[fillchar]) # The output width is a string of characters, and the S is left aligned. The missing part is filled wi
Today released the newly completed Python script toolbox of the bulk replacement directory for all specified extensions in the file with the specified string, command-line parameter processing instead of using the Argparse library, the Python code is as follows:#!/usr/bin/python2.7#-*-encoding:utf-8-*-# Copyright [emailprotected] "" "Replace old string with new s
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