Code Literacy

What is Parameter?

In code, a named placeholder in a function definition; the argument is the actual value you pass in when calling it.

parameter w · argument 3

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A parameter is…

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In real work

Rename the vague parameter so reviewers know what the agent intended to pass.

In the illustration

The sockets read w and h before anything arrives; the argument block 3 lowers into the w socket and 4 into h.

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Add a parameter to this function in your coding agent for the currency, with a default of USD, and update the two callers that need euros.

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