[Term Entry] Python Dates: .strptime() #5755

[EduardoGallego94]

Description

This is a new entry on .strptime() method in Python.
New file "strptime.md" in content/python/concepts/dates/terms/strptime/

Issue Solved

Closes #5755 issue-number

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.

[CLAassistant]

All committers have signed the CLA.