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

How to convert file data into a two-dimensional list using python

迷茫

Release： 2017-03-25 13:21:31

Original

2598 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-8

def 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(&#39;,&#39;))
        
        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 How to convert 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，转换二维列表，数据转换

source：php.cn

Previous article：Detailed explanation of python3 set (set) Next article：Detailed explanation of python basic knowledge

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