Python Program to List all the Files in a Directory with Size

In this example, we will write a python program to get the size of the files inside a directory. To better understand this example, make sure you have knowledge of the following tutorials:-

• Python File Operation
• Python Functions
• Python Directory and Files Management

The code for the program is as below:-

import os

def file_size(fname):
    info = os.stat(fname)
    return info.st_size


for root, dirs, files in os.walk("."):
    for filename in files:
        print(filename + ' : ' + str(file_size(filename)) + " bytes")

The output of the above program is:-