Parameter

Definition

A parameter is a variable used in a function definition to represent the value that will be passed to the function when it is called. Parameters allow functions to accept inputs and operate on them.

5 Must Know Facts For Your Next Test

1. Parameters are specified within the parentheses in the function definition.
2. Parameters enable functions to be reusable with different inputs.
3. A function can have multiple parameters, separated by commas.
4. Default values can be assigned to parameters, providing a fallback if no argument is provided during the call.
5. Parameter names should follow variable naming conventions in Python.

Review Questions

• Where are parameters defined in a function?
• How can you provide default values for parameters?
• What is the importance of using parameters in functions?

Related terms

Argument:

A value that is passed to a function when it is called, corresponding to the parameter defined in the function.

Function Definition:

The part of the code where a new function is declared, including its name and any parameters.

Return Value:

The value that a function produces and sends back to the caller after execution.