python check if folder exists

import os

os.path.exists("file.txt") # Or folder

import os.path

if os.path.isfile('filename.txt'):
    print ("File exist")
else:
    print ("File not exist")

import os
print(os.path.isdir("/home/el"))
print(os.path.exists("/home/el/myfile.txt"))

os.path.isdir("/home/el")