Python implementation adds a comma to each line in the file

This article mainly describes the Python implementation in the file each line to add a comma, has a certain reference value, now share to everyone, the need for friends can refer to

Step 1: read each line (the type of each line is str)

Step 2: list each row

Step 3: eject each line of/n two characters

Step 4: Append,/n three characters

The code is implemented as follows:

#import osfrom_file=open (' D:\\python\\a\\tianqi.txt ') f=open (' Niuniu1.txt ', ' W ') count=0huancun=[]for Each_line in From_file: #print (Type (each_line)) Each_line is a character type delstr=list (Each_line) delstr.pop () #弹出n delstr.pop () #弹出 \ Delstr.append (', \ n ') huancun= "". Join (DELSTR) print (Huancun) f.writelines (huancun) count+=1 huancun=[]f.close () From_ File.close () print (' Total file:%d lines '%count)