feat(python): add term entry for 'from' keyword with syntax, examples…

[vansh2408]

Description

This PR adds a new term entry for the from keyword under the Python keywords section.

The from keyword is used in import statements to specify the module from which to import specific attributes, functions, or classes.

Issue Solved

Closes #7741

Type of Change

• Adding a new entry

Checklist

• All writings are my own.
• My entry follows the Codecademy Docs style guide.
• My changes generate no new warnings.
• I have performed a self-review of my own writing and code.
• I have checked my entry and corrected any misspellings.
• I have made corresponding changes to the documentation if needed.
• I have confirmed my changes are not being pushed from my forked main branch.
• I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• I have linked any issues that are relevant to this PR in the Issues Solved section.