[Term Entry] PyTorch Tensor Operations: .is_nonzero()

[codecademy-docs]

Reason/inspiration (optional)

We would like a new entry on the .is_nonzero() term under PyTorch. The entry should go in a new file under docs/content/pytorch/concepts/tensor-operations/terms/is-nonzero/is-nonzero.md.

The entry should include:

• An introduction to the concept
• A Syntax section that provides the syntax for the concept
• An Example section that provides an example demonstrating the concept in use

Please refer to the term entry template, content standards and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Term for Existing Concept Entry

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[mamtawardhani]

Hey @raghav-97, going forward please ask to be assigned to the issue first. Once you are assigned, only then raise a PR for that issue. Thank you! 😄
Also, please comment "Claim" on this issue so that this can be assigned to you 😄

[mamtawardhani]

@raghav-97 please comment here?

[raghav-97]

@mamtawardhani Sure, I'll make sure that first I get assigned before making PR's.

[mamtawardhani]

Hey @raghav-97 you're assigned! 🚀