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Detail	Claude Platform 101	CS50 Python (CS50P)
Provider	Anthropic	Harvard University
Our rating	4.0	4.3
Cost	Free	Free
Time	Time not stated	Time not stated
Level	Beginner	Beginner
Credential	certificate of completion (free)	free CS50 Certificate (optional paid edX verified certificate) (free)
Open to	Worldwide	Worldwide
Free in	Worldwide	Worldwide
Content written for	Any country	Any country
Summary	Building on the Claude Platform from first principles: what an API request contains, the agent loop, the context window, tools and permissions, choosing between Opus, Sonnet and Haiku, and where costs and limits live. For developers who have only used Claude in a chat window.	Harvard's well-known introduction to programming in Python, from variables and loops through testing, files, regular expressions and object-oriented code, with weekly problem sets and a final project. It suits complete beginners who want to write real code.
Objectives	Send a first API request and read the response Choose the right model for a job and weigh cost against capability Understand the agent loop, context window, tools and permissions	Read and write Python code Use functions, variables, conditionals and loops Handle exceptions, find and fix bugs and write unit tests Use third-party libraries and read and write files Validate and extract data with regular expressions Model real-world things with classes and objects
Things to know	Product-specific to Claude Some code required Duration not stated	Demanding: CS50's FAQ suggests 10 to 20 hours per week for problem sets across ten weeks, plus lecture time Free certificate needs at least 70% on every problem set and the final project Needs a free edX account to submit work Current course deadline is 30 June 2027 (may be extended) Free CS50 Certificates are not accredited academic credit
Our course page	Claude Platform 101	CS50 Python (CS50P)

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