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HarvardX: CS50's Introduction to Programming with Python

An introduction to programming using Python, a popular language for general-purpose programming, data science, web programming, and more.

HarvardX: CS50's Introduction to Programming with Python is a beginner-level online course from edX in Python. It is structured in 10 stated learning outcomes, over 10 weeks. It is free to enrol, and a certificate is available on completion.

Part of our Python courses collection, where we compare it against 43 other courses.

English

Course highlights

Provider edX
Duration 10 weeks
Level Beginner
Mode Self-paced
Language English
Certificate Yes — shareable certificate
Price Free Free

What you’ll learn

Functions, Variables
Conditionals
Loops
Exceptions
Libraries
Unit Tests
File I/O
Regular Expressions
Object-Oriented Programming
Et Cetera

Level and time commitment

edX lists this course at Beginner level.
No prior experience in the subject is assumed — this is where the provider expects a newcomer to start.
What the provider says you need first:
  • None
Time commitment: 10 weeks.
It is self-paced, so that figure is the material, not a fixed schedule.

Skills you’ll gain

Unit TestingJavaScript (Programming Language)Computer SciencePython (Programming Language)Data ScienceC (Programming Language)Web DevelopmentRegular ExpressionsPersonal ComputersBoolean ExpressionDebuggingSQL (Programming Language)
How this page is put together

Compiled by the 10courses editorial desk. Fees, ratings, duration and certificate details for the 1 course shown are read directly from edX course pages — we never estimate a price or a rating. Last verified 27 August 2026.

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Compare with alternatives

Same topic, different trade-offs — here's who runs each one and what it's best at.

Course Provider Rating Price Duration Why pick this one
HarvardX: CS50's Introduction to Programming with Python This edX 0.0★ Free 10 weeks Free — and still gives a certificate
Python Data Structures Coursera 4.9★ Check price 19h 50m Highest rated (4.9★ from 97.3K reviews)
Python for Everybody Specialization Coursera 4.8★ ₹3,999 2 months Most popular — 2M learners
AI Python for Beginners Coursera 4.8★ Check price 17h 30m Quickest to finish (17h 30m)
See all Python courses →

Where Python leads

Roles we map to Python on 10courses. This is our own mapping of subject to job, not a placement claim by edX.

Data Scientist

Browse every course we track for one of these — courses for data scientists.

Common questions

Is HarvardX: CS50's Introduction to Programming with Python free?

Yes. edX lists it as free to enrol. A certificate is available on completion — providers often charge separately for the certificate even when the course itself is free, so check the fee on the provider page before you count on it.

Does HarvardX: CS50's Introduction to Programming with Python come with a certificate?

Yes — edX lists a certificate on completion. It is a course certificate, not a formal qualification or university credit.

How long does HarvardX: CS50's Introduction to Programming with Python take?

edX lists it at 10 weeks. It is self-paced, so that is the volume of material rather than a deadline — how long it actually takes depends on the hours you put in each week.

Is HarvardX: CS50's Introduction to Programming with Python suitable for beginners?

Yes. edX lists it at Beginner level, so no prior experience in the subject is assumed.