Example fill value
- [x] closes #22953 
- [ ] tests added / passed
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Hello @brute4s99! Thanks for submitting the PR.

 - In the file [`pandas/core/series.py`](https://github.com/brute4s99/pandas/blob/a5942f355fb398441a2c18ab0d6bcfaddaa6be36/pandas/core/series.py), following                are the PEP8 issues :
> [Line 2282:55](https://github.com/brute4s99/pandas/blob/a5942f355fb398441a2c18ab0d6bcfaddaa6be36/pandas/core/series.py#L2282): [W291](https://duckduckgo.com/?q=pep8%20W291) trailing whitespace
> [Line 2348:1](https://github.com/brute4s99/pandas/blob/a5942f355fb398441a2c18ab0d6bcfaddaa6be36/pandas/core/series.py#L2348): [W293](https://duckduckgo.com/?q=pep8%20W293) blank line contains whitespace


