238. How to Display Size of Current Directory and Subdirectories in Python with Code || os Module

Code:
import os

directory='C:/Users/bhavatavi/Desktop/Docs'

dir_size=0
fsizedicr={'Bytes':1,'Kilobytes':float(1)/1024,'Megabytes':float(1)/(1024*1024),'Gigabytes':float(1)/(1024*1024*1024)}

for file in files:

for key in fsizedicr:
print("Folder size:" +str(round(fsizedicr[key]*dir_size,2))+' '+key)