OS Library

Question 1

Get the current working directory

Answer 1

os.getcwd()

Question 2

Change the working directory

Answer 2

os.chdir(“C:\Users\Sarper\Desktop”)

Question 3

List all entries in a directory

Answer 3

os.listdir(path=”C:\Users\Sarper\Downloads”)

Question 4

Create a directory

Answer 4

os.chdir(“C:\Users\Sarper\Downloads”)
print(os.listdir())
os.mkdir(“New file”)
print(os.listdir())

Question 5

Join path components

Answer 5

path = os.path.join(‘path1’, ‘path2’, “file.txt”)

Question 6

Check if a path exists

Answer 6

os.path.exists(path)

Question 7

Check if path is a file or a directory

Answer 7

os.path.isfile(“C:\Users\Sarper\Downloads\projects”)
os.path.isdir(“C:\Users\Sarper\Downloads\projects”)
os.path.isfile(“C:\Users\Sarper\Downloads\Picture1.png”)
os.path.isdir(“C:\Users\Sarper\Downloads\Picture1.png”)

Question 8

Run system command

Answer 8

os.system(r”cd”)

Question 9

Delete a file

Answer 9

[‘Picture1.png’, ‘Picture2.png’, ‘projects’]

import os

os.chdir(r”C:\Users\Sarper\Downloads”)

print(os.listdir())
os.remove(“Picture1.png”)
print(os.listdir())

# [‘Picture3.png’, ‘projects’]

Question 10

Rename a file or a directory

Answer 10

os.rename(r”C:\Users\Sarper\Downloads\Picture2.png”, r”C:\Users\Sarper\Downloads\Picture3.png”)

Question 11

Delete a directory

Answer 11

os.rmdir(path)