Replace single with double backticks in RST file #36617
- [ ] closes #xxxx
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

closes https://github.com/pandas-dev/pandas/issues/36617
 Replaces single with double backticks


 doc/source/user_guide/10min.rst
 doc/source/user_guide/timeseries.rst
 doc/source/user_guide/visualization.rst
 doc/source/user_guide/missing_data.rst
 doc/source/user_guide/options.rst
 doc/source/user_guide/reshaping.rst
 doc/source/user_guide/scale.rst
 doc/source/user_guide/merging.rst
 doc/source/user_guide/cookbook.rst
 doc/source/user_guide/enhancingperf.rst
 doc/source/user_guide/groupby.rst
 doc/source/user_guide/io.rst
 doc/source/getting_started/overview.rst
 doc/source/reference/panel.rst
 doc/source/reference/plotting.rst
 doc/source/user_guide/10min.rst
 doc/source/user_guide/basics.rst
 doc/source/user_guide/categorical.rst
 doc/source/development/contributing.rst
 doc/source/development/contributing_docstring.rst
 doc/source/development/extending.rst
 doc/source/ecosystem.rst
 doc/source/getting_started/comparison/comparison_with_sql.rst
 doc/source/getting_started/install.rst
 doc/source/getting_started/intro_tutorials/06_calculate_statistics.rst @dsaxton Can I ask why this test is failing?
Is this Issue solved? Hi @dsaxton , I've removed many unnecessary backticks
now I cann't find problems that are failing the test.
can you tell me what other problems I'd made in the commits Can you also merge master? Several files were just fixed. @dsaxton thank you. done the changes @dsaxton thank you for your help :smile: 
love to contribute something to pandas