Article Topic Learning Download Q&A Programming Dictionary Game Recent Updates

简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)

Home > Backend Development > Python Tutorial > body text

Introduction to the method of converting file data into a two-dimensional list using python

高洛峰

Release： 2017-03-21 09:06:27

Original

3419 people have browsed it

Post a code written when doing data cleaning,

When doing data processing, the original file data needs to be converted into a certain format during processing,

Original file data: 123.txt

1,3,4
2,3,5
1,2,3,5
2,5

Copy after login

Use Python to convert into a two-dimensional list:

#!/usr/bin/env python#coding=utf-8def loadDataSet():    
    file = open("123.txt", "r")
    List_row = file.readlines()
 
    list_source = []    for list_line in List_row:
        list_line = list(list_line.strip().split(','))
        
        s = []        for i in list_line:
            s.append(int(i))
        
        list_source.append(s)        
    return list_source

Copy after login

The result after running the program is as follows:

[[1,3,4],[2,3,5],[1,2,3,5],[2,5]]

Copy after login

The above is the detailed content of Introduction to the method of converting file data into a two-dimensional list using python. For more information, please follow other related articles on the PHP Chinese website!

Related labels：

python

source：php.cn

Previous article：Detailed explanation of python log printing and writing concurrency implementation code Next article：An introduction to how to use the naive Bayes algorithm in python

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