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15 Python Tips : How to Write Code Effectively

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 Here are some Python tips to keep in mind that will help you write clean, efficient, and bug-free code.     Python Tips for Effective Coding 1. Code Readability and PEP 8  Always aim for clean and readable code by following PEP 8 guidelines.  Use meaningful variable names, avoid excessively long lines (stick to 79 characters), and organize imports properly. 2. Use List Comprehensions List comprehensions are concise and often faster than regular for-loops. Example: squares = [x**2 for x in range(10)] instead of creating an empty list and appending each square value. 3. Take Advantage of Python’s Built-in Libraries  Libraries like itertools, collections, math, and datetime provide powerful functions and data structures that can simplify your code.   For example, collections.Counter can quickly count elements in a list, and itertools.chain can flatten nested lists. 4. Use enumerate Instead of Range     When you need both the index ...

How to Understand AWS CloudFormation Easily

AWS CloudFormation is a service that helps you model and set up your Amazon Web Services resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS.

You create a template that describes all the AWS resources you want (like Amazon EC2 instances or Amazon RDS DB instances), and AWS CloudFormation provides and configures those resources for you.

cloud formation

 

You don't need to individually create and configure AWS resources and figure out what's dependent on what; AWS CloudFormation handles all of that. 

Managing Infrastructure

  • For a scalable web application that also includes a back-end database, you might use an Auto Scaling group, an Elastic Load Balancing load balancer, and an Amazon Relational Database Service database instance. 
  • Normally, you might use each individual service to provide these resources. And after you create the resources, you would have to configure them to work together. All these tasks can add complexity and time before you even get your application up and running. 
  • Instead, you can create or modify an existing AWS CloudFormation template. A template describes all of your resources and their properties. 
  • When you use that template to create an AWS CloudFormation stack, AWS CloudFormation provisions the Auto Scaling group, load balancer, and database for you. After the stack has been created, your AWS resources are up and running. You can delete the stack quickly. which deletes all the resources in the stack. By using AWS CloudFormation, you easily manage a collection of resources as a single unit.

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