--- title: "Python Code Snippets" lang: "en" author: "Mohammad Abu Mattar" canonical: https://mkabumattar.com/python --- # Python Code Snippets Browse code snippets written in Python [All Snippets18](/codesnippets)[Cloud1](/codesnippets/categories/cloud)[Aws5](/codesnippets/categories/aws)[Devops9](/codesnippets/categories/devops)[Automation3](/codesnippets/categories/automation)[Shell scripting6](/codesnippets/categories/shell-scripting)[Productivity3](/codesnippets/categories/productivity)[More…](/codesnippets/categories) [All Snippets18](/codesnippets)[Bash and Python1](/codesnippets/bash-and-python)[Python, Node.js and Go1](/codesnippets/python-nodejs-and-go)[SQL and Python1](/codesnippets/sql-and-python)[Bash7](/codesnippets/bash)[Python5](/codesnippets/python)[Typescript3](/codesnippets/typescript) LanguageAllBash (7)Python (5)Typescript (3)Bash and Python (1)Python, Node.js and Go (1)SQL and Python (1)CategoryAllDevops (9)Shell scripting (6)Aws (5)Automation (3)Productivity (3)Python (3)Backend (2)Database (2)Nodejs (2)Performance (2)Ai ml (1)Async (1)Bash (1)Cloud (1)Computer vision (1)Document processing (1)Linux (1)Networking (1)Security (1)Typescript (1)TagAllDevOps (7)Bash (6)Python (6)Shell Scripting (5)Automation (4)AWS (4)NodeJS (4)Performance (4)Configuration (3)TypeScript (3)Backend (2)Boto3 (2)CI/CD (2)Cloud (2)Concurrency (2)DevTools (2)Environment Variables (2)IAM (2)Linux (2)Microservices (2)POSIX (2)Productivity (2)S3 (2)Terminal (2)AI Models (1)Aiohttp (1)Asyncio (1)AWS SDK v3 (1)BestPractices (1)BigData (1)Caching (1)CloudSecurity (1)Computer Vision (1)Cron (1)CRUD (1)Database (1)DataScience (1)Document Processing (1)DocumentClient (1)Dotenv (1)DynamoDB (1)EC2 (1)Echo (1)Exponential Backoff (1)Flock (1)Go (1)HTTP (1)Indexes (1)Infrastructure (1)Locking (1)Machine Learning (1)MemoryOptimization (1)MLOps (1)MultiEnvironment (1)OCR (1)Open Source (1)Optimization (1)Pid file (1)PostgreSQL (1)Printf (1)QueryOptimization (1)Redis (1)Retry (1)Scripting (1)Scripting Best Practices (1)SecretsManagement (1)SecretsManager (1)Security (1)Shell (1)SQL (1)Text Recognition (1)Validation (1)Vault (1)Zod (1)Zsh (1)SortNewest firstOldest firstA to ZShortest read first [![Python Async HTTP Requests with aiohttp: Fetch Multiple URLs Concurrently](/_astro/hero.DFXqyT8a_Zqhl7o.webp)](/codesnippets/post/python-async-http-aiohttp-concurrent-requests) ## [Python Async HTTP Requests with aiohttp: Fetch Multiple URLs Concurrently](/codesnippets/post/python-async-http-aiohttp-concurrent-requests) - [Python](/codesnippets/categories/python) - [Async](/codesnippets/categories/async) - 26 Jul 2026 - 05 Mins read Quick Tip Reuse one aiohttp session, fan your requests out with asyncio.gather, and cap them with a semaphore to fetch hundreds of URLs in the time one loop would take. The Problem \*\*The [#Python](/codesnippets/tags/python)[#Aiohttp](/codesnippets/tags/aiohttp)[#Asyncio](/codesnippets/tags/asyncio)+3 tags [Python](/codesnippets/python) [View Code](/codesnippets/post/python-async-http-aiohttp-concurrent-requests) [![AWS EC2 Instance Management with Boto3: Start, Stop, and Query Instances](/_astro/hero.PnHlvJay_ZkFqWG.webp)](/codesnippets/post/aws-ec2-instance-management-boto3-python) ## [AWS EC2 Instance Management with Boto3: Start, Stop, and Query Instances](/codesnippets/post/aws-ec2-instance-management-boto3-python) - [Cloud](/codesnippets/categories/cloud) - [Aws](/codesnippets/categories/aws) - 14 Apr 2026 - 10 Mins read If you've ever spent 20 minutes clicking through the AWS Console just to stop a handful of dev instances, you already know the pain. It's tedious, it doesn't scale, and one wrong click can ruin your a [#AWS](/codesnippets/tags/aws)[#EC2](/codesnippets/tags/ec2)[#Boto3](/codesnippets/tags/boto3)+6 tags [Python](/codesnippets/python) [View Code](/codesnippets/post/aws-ec2-instance-management-boto3-python) [![Top 7 Open Source OCR Models for Document Processing](/_astro/hero.DIJ2knuO_ah4wu.webp)](/codesnippets/post/top-7-open-source-ocr-models) ## [Top 7 Open Source OCR Models for Document Processing](/codesnippets/post/top-7-open-source-ocr-models) - [Ai ml](/codesnippets/categories/ai-ml) - [Computer vision](/codesnippets/categories/computer-vision) - 09 Jan 2026 - 04 Mins read AI Tool Turn your documents into accurate digital copies with these open source OCR models. Instead of fighting messy text extraction, you get clean markdown from PDFs, images, and scanned docume [#OCR](/codesnippets/tags/ocr)[#Computer Vision](/codesnippets/tags/computer-vision)[#Document Processing](/codesnippets/tags/document-processing)+5 tags [Python](/codesnippets/python) [View Code](/codesnippets/post/top-7-open-source-ocr-models) [![Optimizing your python code with \_\_slots\_\_?](/_astro/hero.DP_vYsHU_gYDXn.webp)](/codesnippets/post/python-slots-optimization) ## [Optimizing your python code with \_\_slots\_\_?](/codesnippets/post/python-slots-optimization) - [Python](/codesnippets/categories/python) - [Productivity](/codesnippets/categories/productivity) - 16 Jul 2025 - 04 Mins read Memory optimization with slots Understanding the problem Optimizing data models in big data workflows with slots In big data and MLOps workflows, you often work with massive [#Python](/codesnippets/tags/python)[#MemoryOptimization](/codesnippets/tags/memoryoptimization)[#DataScience](/codesnippets/tags/datascience)+4 tags [Python](/codesnippets/python) [View Code](/codesnippets/post/python-slots-optimization) [![List S3 Buckets](/_astro/hero.BsiJ6hry_1X9XLn.webp)](/codesnippets/post/python-list-s3-buckets) ## [List S3 Buckets](/codesnippets/post/python-list-s3-buckets) - [Aws](/codesnippets/categories/aws) - [Python](/codesnippets/categories/python) - 25 Jun 2025 - 02 Mins read Overview Multi-profile S3 management Ever juggled multiple AWS accounts and needed a quick S3 bucket inventory across all of them? This Python script handles it. Use case Perfect for or [#Python](/codesnippets/tags/python)[#Boto3](/codesnippets/tags/boto3)[#AWS](/codesnippets/tags/aws)+5 tags [Python](/codesnippets/python) [View Code](/codesnippets/post/python-list-s3-buckets) ### [Categories](/codesnippets/categories) - [Cloud1](/codesnippets/categories/cloud) - [Aws5](/codesnippets/categories/aws) - [Devops9](/codesnippets/categories/devops) - [Automation3](/codesnippets/categories/automation) - [Shell scripting6](/codesnippets/categories/shell-scripting) - [Productivity3](/codesnippets/categories/productivity) - [Bash1](/codesnippets/categories/bash) - [Security1](/codesnippets/categories/security) - [Nodejs2](/codesnippets/categories/nodejs) - [Database2](/codesnippets/categories/database) - [Typescript1](/codesnippets/categories/typescript) - [Backend2](/codesnippets/categories/backend) - [Performance2](/codesnippets/categories/performance) - [Linux1](/codesnippets/categories/linux) - [Python3](/codesnippets/categories/python) - [Async1](/codesnippets/categories/async) - [Networking1](/codesnippets/categories/networking) - [Ai ml1](/codesnippets/categories/ai-ml) - [Computer vision1](/codesnippets/categories/computer-vision) - [Document processing1](/codesnippets/categories/document-processing) ### [Tags](/codesnippets/tags) [#Aws4](/codesnippets/tags/aws)[#Ec21](/codesnippets/tags/ec2)[#Boto32](/codesnippets/tags/boto3)[#Python6](/codesnippets/tags/python)[#Devops7](/codesnippets/tags/devops)[#Automation4](/codesnippets/tags/automation)[#Iam2](/codesnippets/tags/iam)[#Cloud2](/codesnippets/tags/cloud)[#Infrastructure1](/codesnippets/tags/infrastructure)[#Bash6](/codesnippets/tags/bash)[#Shell scripting5](/codesnippets/tags/shell-scripting)[#Productivity2](/codesnippets/tags/productivity)[#Devtools2](/codesnippets/tags/devtools)[#Terminal2](/codesnippets/tags/terminal)[#Configuration3](/codesnippets/tags/configuration)[#Retry1](/codesnippets/tags/retry)[#Exponential backoff1](/codesnippets/tags/exponential-backoff)[#Cicd2](/codesnippets/tags/cicd)[#Shell1](/codesnippets/tags/shell)[#S32](/codesnippets/tags/s3)[#Pid file1](/codesnippets/tags/pid-file)[#Locking1](/codesnippets/tags/locking)[#Flock1](/codesnippets/tags/flock)[#Cron1](/codesnippets/tags/cron)[#Concurrency2](/codesnippets/tags/concurrency)[#Linux2](/codesnippets/tags/linux)[#Environment variables2](/codesnippets/tags/environment-variables)[#Posix2](/codesnippets/tags/posix)[#Vault1](/codesnippets/tags/vault)[#Secretsmanagement1](/codesnippets/tags/secretsmanagement)[#Multienvironment1](/codesnippets/tags/multienvironment)[#Security1](/codesnippets/tags/security)[#Nodejs4](/codesnippets/tags/nodejs)[#Typescript3](/codesnippets/tags/typescript)[#Secretsmanager1](/codesnippets/tags/secretsmanager)[#Cloudsecurity1](/codesnippets/tags/cloudsecurity)[#Dynamodb1](/codesnippets/tags/dynamodb)[#Aws sdk v31](/codesnippets/tags/aws-sdk-v3)[#Crud1](/codesnippets/tags/crud)[#Documentclient1](/codesnippets/tags/documentclient)[#Zod1](/codesnippets/tags/zod)[#Validation1](/codesnippets/tags/validation)[#Dotenv1](/codesnippets/tags/dotenv)[#Backend2](/codesnippets/tags/backend)[#Postgresql1](/codesnippets/tags/postgresql)[#Queryoptimization1](/codesnippets/tags/queryoptimization)[#Indexes1](/codesnippets/tags/indexes)[#Performance4](/codesnippets/tags/performance)[#Sql1](/codesnippets/tags/sql)[#Database1](/codesnippets/tags/database)[#Microservices2](/codesnippets/tags/microservices)[#Printf1](/codesnippets/tags/printf)[#Echo1](/codesnippets/tags/echo)[#Scripting best practices1](/codesnippets/tags/scripting-best-practices)[#Aiohttp1](/codesnippets/tags/aiohttp)[#Asyncio1](/codesnippets/tags/asyncio)[#Http1](/codesnippets/tags/http)[#Scripting1](/codesnippets/tags/scripting)[#Memoryoptimization1](/codesnippets/tags/memoryoptimization)[#Datascience1](/codesnippets/tags/datascience)[#Mlops1](/codesnippets/tags/mlops)[#Bigdata1](/codesnippets/tags/bigdata)[#Bestpractices1](/codesnippets/tags/bestpractices)[#Redis1](/codesnippets/tags/redis)[#Caching1](/codesnippets/tags/caching)[#Go1](/codesnippets/tags/go)[#Optimization1](/codesnippets/tags/optimization)[#Ocr1](/codesnippets/tags/ocr)[#Computer vision1](/codesnippets/tags/computer-vision)[#Document processing1](/codesnippets/tags/document-processing)[#Open source1](/codesnippets/tags/open-source)[#Ai models1](/codesnippets/tags/ai-models)[#Machine learning1](/codesnippets/tags/machine-learning)[#Text recognition1](/codesnippets/tags/text-recognition)[#Zsh1](/codesnippets/tags/zsh)