[Concept Entry] PyTorch: Custome Loss Functions Creation

[codecademy-docs]

Reason/inspiration (optional)

We would like a new entry on Custome Loss Functions Creation concept under PyTorch. The entry should go in a new file under docs/content/pytorch/concepts/custome-loss-functions-creation/custome-loss-functions-creation.md.

The entry should include:

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

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

Entry Type (select all that apply)

New Concept Entry for Existing Topic

Code of Conduct

• By submitting this issue, I agree to follow Codecademy Doc's Code of Conduct.

For Maintainers

• Labels added
• Issue is assigned

[Maverick073]

I am interested to work on this issue 😃

[Radhika-okhade]

Hey @Maverick073 You’re assigned 🎉 In addition to the documents linked in the description, please also look at the Contribution Guide. After creating a PR, the maintainer(s) (with the collaborator label) will add comments/suggestions to address any revisions before approval.