Checked fact 35513 Nov 2026Agents and apps

Anthropic's prompting guide gives a Messages API example in which a call passes system="You are a helpful coding assistant specializing in Python." as one parameter and a user message asking how to sort a list of dictionaries by key in a separate messages list.

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The exact words it rests on

system = "You are a helpful coding assistant specializing in Python." , messages = [ { "role" : "user" , "content" : "How do I sort a list of dictionaries by key?" } ]

What the source said when we opened it, on 3 Nov 2026.

The source

Prompting best practices - Claude Platform Docs
Anthropic

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Checked

Checked by the notis newsroom on 3 Nov 2026, against the source above.

In the story

What a system prompt does, and which of Anthropic's prompts are published 3 Nov 2026

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“Anthropic's prompting guide gives a Messages API example in which a call passes system="You are a helpful coding assistant specializing in Python." as one parameter and a user message asking how to sort a list of dictionaries by key in a separate messages list.” ai notis, checked 3 Nov 2026. Source: Prompting best practices - Claude Platform Docs (Anthropic). https://ainotis.com/c/3551

As a reference (APA style)

ai notis. (2026, November 3). Anthropic's prompting guide gives a Messages API example in which a call passes system="You are a helpful coding assistant specializing in Python." as one parameter and a user message asking how to sort a list of dictionaries by key in a separate messages list [Checked claim 3551]. ai notis. https://ainotis.com/c/3551

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