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beginner 10-15 minlesson

Prompts as Interfaces

A prompt is an interface between a human and a language model. Just as a UI has buttons and forms, a prompt has instructions and context. The quality

Lesson
A prompt is an interface between a human and a language model. Just as a UI has buttons and forms, a prompt has instructions and context. The quality of the interface determines the quality of the interaction. When you treat prompts as interfaces, you start thinking about inputs, outputs, error states, and edge cases. You design prompts that are reusable, testable, and maintainable. This mindset transforms ad-hoc chatting into systematic design.
Key Terms
interfaceinputoutputerror statereusability
Weak Prompt

Help me with my email.

Improved Prompt

Proofread the following email draft for grammar and tone. Flag any sentences that sound too formal or too casual. Suggest specific rewrites for flagged sentences. Output a list of issues first, then a revised version of the email. [email text]

What Changed

The improved prompt defines the task, the analysis steps, the output format, and the sequence of outputs.

MetaPry: On MetaPry, you can fork this prompt, iterate on it, and add it to a pipeline for multi-step workflows.

Practice Task

Design a prompt that acts as a form: it accepts an input, processes it, and returns structured output.

Scoring Rubric

1×
Structure — Prompt defines input, processing, and output format
1×
Error handling — Prompt accounts for edge cases
Knowledge Check

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