os

Notes

Before using os, you have to first import os module.

import os

• os.chdir(path)

Change the current working directory to path. 

import os

os.chdir("C:\\")

• os.listdir(path) 

Return a list containing the names of the entries in the directory given by path. 

import os

path = "C:\\"

files = os.listdir(path)

for file in files:

    print(file)

• os.rename(old,new)

Rename the file or directory  old to new.

import os

os.chdir("C:\\")

os.rename("A.txt","B.txt")