File Handling in Python – Code Snippets

Opening Files

with open('example.txt', 'r') as file:
    content = file.read()
    

File Access Methods

file.read()
file.readline()
file.readlines()
    

Writing Data to a File

with open('example.txt', 'w') as file:
    file.write('Hello, World!')
    

Binary Files

with open('example.bin', 'wb') as file:
    file.write(b'Binary data')
    

Pickling and Unpickling

import pickle

data = {'key': 'value'}
with open('data.pkl', 'wb') as file:
    pickle.dump(data, file)

with open('data.pkl', 'rb') as file:
    loaded_data = pickle.load(file)
    

Using the seek() and tell() Methods

with open(

    
File Handling in Python - Code Snippets

    
    
Opening Files
    

with open('example.txt', 'r') as file:
    content = file.read()
    

    
    
File Access Methods
    

file.read()
file.readline()
file.readlines()
    

    
    
Writing Data to a File
    

with open('example.txt', 'w') as file:
    file.write('Hello, World!')
    

    
    
Binary Files
    

with open('example.bin', 'wb') as file:
    file.write(b'Binary data')
    

    
    
Pickling and Unpickling
    

import pickle

data = {'key': 'value'}
with open('data.pkl', 'wb') as file:
    pickle.dump(data, file)

with open('data.pkl', 'rb') as file:
    loaded_data = pickle.load(file)
    

    
    
Using the seek() and tell() Methods
    

with open('example.txt', 'r') as file:
    file.seek(5)
    position = file.tell()
    

    
    
Reading and Writing CSV Files
    

import csv

with open('example.csv', 'w', newline='') as file:
    writer = csv.writer(file)
    writer.writerow(['Name', 'Age'])
    writer.writerow(['John', '25'])

with open('example.csv', 'r') as file:
    reader = csv.reader(file)
    for row in reader:
        print(row)
    






xt', 'r') as file:
    file.seek(5)
    position = file.tell()
    

Reading and Writing CSV Files

import csv

with open('example.csv', 'w', newline='') as file:
    writer = csv.writer(file)
    writer.writerow(['Name', 'Age'])
    writer.writerow(['John', '25'])

with open('example.csv', 'r') as file:
    reader = csv.reader(file)
    for row in reader:
        print(row)