DOC: Fixing EX01 - Added examples
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).

Towards https://github.com/pandas-dev/pandas/issues/37875

We need to preview here as html documents for `Styler` can't be done locally.  
/preview No preview found for PR #54039. Did the docs build complete? looks like the docs build is failing
```
/home/runner/work/pandas/pandas/pandas/io/formats/style.py:docstring of pandas.io.formats.style.Styler:134: WARNING: undefined label: 'style.html'
/home/runner/work/pandas/pandas/pandas/io/formats/style.py:docstring of pandas.io.formats.style.Styler.from_custom_template:48: WARNING: undefined label: 'table visualization for more examples <style.html.subclassing'
``` Is this my fault - I wouldn't think so but I can't be sure.
```/home/runner/micromamba/envs/test/lib/python3.10/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
   17 | #warning "Using deprecated NumPy API, disable it with " \
      |  ^~~~~~~``` that's unrelated 😄 I think this one is more related
```
/home/runner/work/pandas/pandas/pandas/io/formats/style.py:docstring of pandas.io.formats.style.Styler:133: WARNING: Mismatch: both interpreted text role prefix and reference suffix.
/home/runner/work/pandas/pandas/pandas/io/formats/style.py:docstring of pandas.io.formats.style.Styler.from_custom_template:48: WARNING: Mismatch: both interpreted text role prefix and reference suffix.
``` Could you merge in main once more here? /preview Website preview of this PR available at: https://pandas.pydata.org/preview/54039/