[Docs] Fix dunder names being accidentally bolded (#7217)

* Fix dunder names being accidentally bolded

* Update docs/coding_conventions_python.md

Co-Author: fauxpark <fauxpark@gmail.com>

* Change all the "names to avoid" to use backticks

docs/coding_conventions_python.md

@@ -77,9 +77,9 @@ Always use a .py filename extension. Never use dashes.
 
 ## Names to Avoid
 
-* single character names except for counters or iterators. You may use "e" as an exception identifier in try/except statements.
-* dashes (-) in any package/module name
-* __double_leading_and_trailing_underscore__ names (reserved by Python)
+* single character names except for counters or iterators. You may use `e` as an exception identifier in try/except statements.
+* dashes (`-`) in any package/module name
+* `__double_leading_and_trailing_underscore__` names (reserved by Python)
 
 # Docstrings