Community guides · Programming
The unspoken bar for replies in r/python
Reply in r/python and you're contributing to someone debugging in production. Take the question seriously, name what might break.
What's hot in r/python now
What people are actually discussing
Top threads from the last month — what's getting engagement right now.
What this sub rewards
How replies earn upvotes here
- Concrete code or runnable examples are welcome where relevant. Snippets beat prose. Three lines with one comment beats a paragraph of explanation.
- Senior-level technical depth is expected; avoid generic advice. Drop the 'try this' language. Show the code, the gotcha, and the production consideration.
- Acknowledge limitations, trade-offs, or uncertainty when relevant. Name when your approach breaks — concurrency, scale, legacy version, OS-specific.
What good looks like
Real comments that landed in r/python
Two recent highly-upvoted replies. Notice what they have in common — concrete, no preamble, no self-promotion.
"I’m not sure what all the hate is about. I for one have had many situations where None actually means something and have needed to create my own implementation of a Sentinel value to tell the difference between None and the user simply not providing a value. Many libraries have had to implement Sentinels internally… Pandas and Pydantic come to…"
"Annoyingly, the next step after DMCA is to sue. If you don't have the resources for this, there probability isn't anything you can do. But PyPI not responding at all seems weird, have you tried different ways of contacting them? (Like a direct email to their legal email address)"
Your pre-reply checklist
Before you hit Reply — four quick checks
Does my comment add something specific, not just an opinion?
A useful reply names a number, a method, a personal experience, or a concrete example. If you could replace your draft with "I agree" and lose nothing, rewrite.
Have I read the top 3 comments already on this thread?
If the highest-upvoted reply already says what you were about to say, your comment will sink. Add what's missing — counterexamples, edge cases, the next step — not what's there.
Would my reply still work if my username was removed?
If it only makes sense because it promotes you, your product, or your platform, this sub will spot it. Frame the value as "this solved it for me," not "check out my…"
Did I skim the sidebar rules one more time?
Every sub has at least one rule that surprises outsiders — peer-review only, no images, no specific tags, no off-topic. Five seconds in the sidebar can save you a removal.
Want to draft this reply with the rules already baked in?
Try Redimates — free, 10 replies / week