When comparing Python Weekly vs exercism.org, the Slant community recommends exercism.org for most people. In the question“What are the best resources to learn Python?” exercism.org is ranked 4th while Python Weekly is ranked 32nd. The most important reason people chose exercism.org is:
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Has a jobs section
Both the newsletter and a section of the site covers jobs that are available for Python developers.
Pro Keeps you updated on all things Python
The newsletter is a includes curated news and articles as well as keeps readers up to date on various tools, libraries and events that might be relevant to Python users.

Pro Human review and feedback
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.

Pro Practice with production tools
Unlike many code practice websites, Exercism requires the user to develop and test entirely offline, submitting only the finished code. This promotes familiarity with essential tools and workflow, not just the bare language.
Cons
Con Not for beginners
While this is a great resource for Python devs to keep up to date with the scene, it's no a great resource for learning Python as a beginner. The resource provides no structure or courses.

Con Custom commandline client
Exercism requires using a CLI utility to fetch and submit exercises. This is inconvenient compared to web-only alternatives, and poses an additional barrier to entry for some users.
