Add Python code example for multiple parameters

[921kiyo]

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Added a missing python code example in the docs.

[learn-build-service-prod[bot]]

Learn Build status updates of commit d69dd0b:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
semantic-kernel/ai-orchestration/plugins/native-functions/multiple-parameters.md	:white_check_mark:Succeeded

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