os

os module provides functions to interact with the operating system

import os

Directory Operations

# Current Directory
current_dir = os.getcwd()

# List all files and directories in cwd
files = os.listdir(current_dir)

File Operations

open Built-in Function

Open file and return a corresponding file object

• If the file cannot be opened, an OSError is raised

some_file = open(file_location, "r")

readlines()

Return all lines in the file, as a list where each line is an item in the list object

# "r" is to hard-define operation as read
f = open("demofile.txt", "r")

print(f.readlines())
# ['Hello! Welcome to demofile.txt\n', 'This file is for testing purposes.\n', 'Good Luck!']