Home Backend Development Python Tutorial An example of how python reads a csv file and puts the file into a list

An example of how python reads a csv file and puts the file into a list

Apr 27, 2018 am 11:07 AM
python read

The following is an example of how python reads a csv file and puts the file into a list. It has a good reference value and I hope it will be helpful to everyone. Come and take a look together

As shown below:

#coding=utf8
'''
读取CSV文件,把csv文件放在一份list中。
'''
import csv
class readCSV(object):
  def __init__(self,path="Demo.csv"):
    #创建一个属性用来保存要操作CSV的文件
    self.path=path
    try:
      #打开一个csv文件,并赋予读的权限
      self.csvHand=open(self.path,"r")
      #调用csv的reader函数读取csv文件
      self.readcsv=csv.reader(self.csvHand)
      #创建一个list用来保存csv中的内容
      self.buffer=[]
      try:
        #把csv中内容存入list 中
        for row in self.readcsv:
          self.buffer.append(row)
      except Exception,e:
        print e
    except Exception,e:
      print e  
    finally:
      #关闭csv文件
      self.csvHand.close()
           
def test():
  csv=readCSV()
  csv.getColAndRowCount()
  
if __name__=="__main__":
  test()
Copy after login

Related recommendations:

How to use Python to read large files

Python reads text content in word

The above is the detailed content of An example of how python reads a csv file and puts the file into a list. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to open xml format How to open xml format Apr 02, 2025 pm 09:00 PM

Use most text editors to open XML files; if you need a more intuitive tree display, you can use an XML editor, such as Oxygen XML Editor or XMLSpy; if you process XML data in a program, you need to use a programming language (such as Python) and XML libraries (such as xml.etree.ElementTree) to parse.

Is there any mobile app that can convert XML into PDF? Is there any mobile app that can convert XML into PDF? Apr 02, 2025 pm 08:54 PM

An application that converts XML directly to PDF cannot be found because they are two fundamentally different formats. XML is used to store data, while PDF is used to display documents. To complete the transformation, you can use programming languages ​​and libraries such as Python and ReportLab to parse XML data and generate PDF documents.

Is the conversion speed fast when converting XML to PDF on mobile phone? Is the conversion speed fast when converting XML to PDF on mobile phone? Apr 02, 2025 pm 10:09 PM

The speed of mobile XML to PDF depends on the following factors: the complexity of XML structure. Mobile hardware configuration conversion method (library, algorithm) code quality optimization methods (select efficient libraries, optimize algorithms, cache data, and utilize multi-threading). Overall, there is no absolute answer and it needs to be optimized according to the specific situation.

Recommended XML formatting tool Recommended XML formatting tool Apr 02, 2025 pm 09:03 PM

XML formatting tools can type code according to rules to improve readability and understanding. When selecting a tool, pay attention to customization capabilities, handling of special circumstances, performance and ease of use. Commonly used tool types include online tools, IDE plug-ins, and command-line tools.

Is there a free XML to PDF tool for mobile phones? Is there a free XML to PDF tool for mobile phones? Apr 02, 2025 pm 09:12 PM

There is no simple and direct free XML to PDF tool on mobile. The required data visualization process involves complex data understanding and rendering, and most of the so-called "free" tools on the market have poor experience. It is recommended to use computer-side tools or use cloud services, or develop apps yourself to obtain more reliable conversion effects.

How to convert XML to PDF on your phone with high quality? How to convert XML to PDF on your phone with high quality? Apr 02, 2025 pm 09:48 PM

Convert XML to PDF with high quality on your mobile phone requires: parsing XML in the cloud and generating PDFs using a serverless computing platform. Choose efficient XML parser and PDF generation library. Handle errors correctly. Make full use of cloud computing power to avoid heavy tasks on your phone. Adjust complexity according to requirements, including processing complex XML structures, generating multi-page PDFs, and adding images. Print log information to help debug. Optimize performance, select efficient parsers and PDF libraries, and may use asynchronous programming or preprocessing XML data. Ensure good code quality and maintainability.

How to convert XML to PDF on your phone? How to convert XML to PDF on your phone? Apr 02, 2025 pm 10:18 PM

It is not easy to convert XML to PDF directly on your phone, but it can be achieved with the help of cloud services. It is recommended to use a lightweight mobile app to upload XML files and receive generated PDFs, and convert them with cloud APIs. Cloud APIs use serverless computing services, and choosing the right platform is crucial. Complexity, error handling, security, and optimization strategies need to be considered when handling XML parsing and PDF generation. The entire process requires the front-end app and the back-end API to work together, and it requires some understanding of a variety of technologies.

How to modify comment content in XML How to modify comment content in XML Apr 02, 2025 pm 06:15 PM

For small XML files, you can directly replace the annotation content with a text editor; for large files, it is recommended to use the XML parser to modify it to ensure efficiency and accuracy. Be careful when deleting XML comments, keeping comments usually helps code understanding and maintenance. Advanced tips provide Python sample code to modify comments using XML parser, but the specific implementation needs to be adjusted according to the XML library used. Pay attention to encoding issues when modifying XML files. It is recommended to use UTF-8 encoding and specify the encoding format.

See all articles