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Here are the best online courses and certifications from edX programmers and developers that you may enroll in without wasting any more time.

1. CS50’s Introduction to Computer Science

This course is the most well-known computer science course on the entire edX network, and it teaches students how to think algorithmically to solve problems quickly while using programming languages like Python, C, Javascript, and others.

David J. Malan teaches this introductory course. You'll also learn about abstraction, algorithms, data structures, encapsulation, resource management, security, software engineering, and web development, among other computer science concepts.

More than 2,951,637 people have previously enrolled in this free edX course, indicating its widespread appeal. It's self-paced and fully free, and it'll take you about 12 weeks to finish if you put in 6 to 8 hours per week.

2. CS50's Introduction to Artificial Intelligence with Python

This is yet another great free Harvard University course that teaches you how to utilize machine learning and human-computer interaction to address actual issues.

This course uses the Python programming language and its different libraries to investigate the concepts and techniques that form the core of modern artificial intelligence, as well as their application in technologies such as game-playing engines, handwriting recognition, and machine translation.

You will not only learn how to utilize them but also how to construct and create neural networks, as well as how to use their capacity to learn complex problems and many other artificial intelligence topics.

When it comes to social proof, this popular edX online Artificial Intelligence course has already attracted over 366,805 students. It's fully self-paced, online, and free. At a rate of 7 to 10 hours each week, this course will take about 7 weeks to finish.

3. Harvard’s Data Science Certification

edX's Data Science Professional Certificate is one of the most popular. Harvard University established this thorough program to help you learn how to become a data scientist from scratch.
Starting with the fundamentals of R, a popular programming language among data scientists, and then moving on to statistical principles and how to visualize data using the ggplot2 package within R, as well as machine learning and how to apply ideas like linear regression.

Along the process, you'll learn about Unix/Linux, git and GitHub, and RStudio, which are all vital tools for active data scientists.

By the way, while this Professional certificate is a mix of courses, it is not free. It is a self-paced course that will take roughly 1.5 years to complete at a rate of 2–3 hours each week.

4. Front-End Web Developer Professional Certificate

The W3C institution offers another excellent and extensive professional degree to educate students on the programming language required to begin a career as a Front-end web developer.

In this course, you'll study the fundamentals of current HTML5, as well as some advanced capabilities like web components and APIs, before moving on to decorating your website with CSS and adding animation with Javascript, among other things.

This is a self-paced course that will take you around 7 months to complete if you work 5 to 7 hours each week, which is achievable. This is not a free certificate because it is a professional credential with many courses.

5. Introduction to Python Programming [Professional Certificate]

This is another popular Georgia Tech edX professional certificate for people who wish to learn the fundamentals of computer science using Python, one of the most popular programming languages in the world.

This professional certification course is designed for beginners who want to start a career as a python developer. It starts with the fundamentals of python programming, such as variables, loops, operators, and debugging, and progresses to more advanced topics like functions, file and data handling, and object-oriented programming. Strings, lists, dictionaries, and file manipulation are among the most important data structures for developing usable programs.

This is a paid, self-paced course that takes about 5 months to complete with 9 to 10 hours of work every day. You will, however, earn a certificate to include in your resume.

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