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Python Set Operations Explained: From Theory to Real-Time Applications

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A  set  in Python is an unordered collection of unique elements. It is useful when storing distinct values and performing operations like union, intersection, or difference. Real-Time Example: Removing Duplicate Customer Emails in a Marketing Campaign Imagine you are working on an email marketing campaign for your company. You have a list of customer emails, but some are duplicated. Using a set , you can remove duplicates efficiently before sending emails. Code Example: # List of customer emails (some duplicates) customer_emails = [ "alice@example.com" , "bob@example.com" , "charlie@example.com" , "alice@example.com" , "david@example.com" , "bob@example.com" ] # Convert list to a set to remove duplicates unique_emails = set (customer_emails) # Convert back to a list (if needed) unique_email_list = list (unique_emails) # Print the unique emails print ( "Unique customer emails:" , unique_email_list) Ou...
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Udemy Best Selling Web Development Course

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You may ask which course you need to learn. That is a web development course. You can do both regular and part-time job. This course has such a beautifulness.
Udemy popular course
Another way is you can develop your own website and you can learn how to build your website. This is also one kind of advantage, so I am stressing to learn this course.

1. Web development

By the end of this course, you will have the confidence and ability to create beautiful, functional websites. This course is project based so you be jumping into building your first website in no time. Don't worry if you have little or no experience, I will take it easy and try to clearly explain what we are doing and learn as we build.

I believe this is the best way to learn, you will be able to apply what you are learning to a real project and instantly see the results.

What you will be building:
  • Project 1- Begin by creating static recipe website from scratch, learn the fundamentals of HTML & CSS by hand coding your first website.
  • Project 2- Building on the skills you have learned, we will now step it up by creating a fully responsive College website, again from scratch which looks great on any device. You will learn new techniques such as media queries and how to set different size images to different size devices to improve download times and image quality. 
  • Project 3- You should now have a good understanding of how websites are build after building 2 websites from scratch. We will now move on to use the popular Bootstrap framework, this will allow us to build great looking, responsive websites faster and easier. You will be introduced to many of Bootstraps great features as we build the third and final project, a hotel website.
This final website will be packed with great features such as drop-down navigation bars, glyphicons, a sliding carousel, and a mobile-first grid system. This course is ideal if you want to save money and build a website for personal use, for your business, or maybe you want to launch a new career.

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