improve code

I am looking for a skilled Python developer to improve my existing code. The main issue with the code is that it requires bug fixes. The level of complexity of the code is intermediate.

Skills and experience required for this job:
- Strong proficiency in Python programming language
- Experience in debugging and fixing code issues
- Understanding of intermediate level code complexity
- Ability to analyze and identify bugs in the code
- Familiarity with best practices for code improvement and optimization