Python tkinter GUI issue

I am looking for a Python tkinter GUI expert to help me resolve functionality issues related to data input and output. The specific issue I am experiencing is not being able to properly input and retrieve data from the GUI.

Skills and experience required:
- Proficiency in Python and tkinter
- Strong understanding of GUI design and functionality
- Experience in troubleshooting and resolving data input and output issues in tkinter

The ideal candidate should be able to start working on the project immediately as I have a strict deadline to resolve this issue.