exception names

Author: Sagar Chalise

docs/python/classes.md

@@ -10,3 +10,4 @@ sidebar_label: Classes
 * Classes names should always be `PascalCase`. i.e. `MyClass` 
 * Even if you are building datatypes based on inbuilt class use PascalCase. i.e. `MyDict(dict):`
 * Describe the class resposibility in name.
+* Custom Exceptions should always be named ending with `Error` i.e. `MyCustomError`

docs/python/functions.md

@@ -8,7 +8,7 @@ sidebar_label: Functions
 
 * Avoid inbuilt names.
 * `snake_case` or descriptive single word in **lowercase** should be used.
-*  function names should explain the functionality.
+* function names should explain the functionality.
 * for bound methods `self` should be used for first argument.
 * for class methods `cls` should be used for first argument.
 * `decorators` should be named in function convention.

docs/python/variables.md

@@ -12,5 +12,5 @@ sidebar_label: Variables
     - `__{variable_name}` if you want something to be private. 
     - `_{variable_name}` if you want something to be not publicly used or something that may change later. 
     - `__{variable_name}` are not directly accesible while `_{variable_name}` are. They are just for convention.
-* Avoid builtin variable clash. Especially in globals. You can attach `_` as suffix to builtin names if you deem the name necessary for your variable.
+* Avoid builtin variable clash. Especially in `globals`. You can attach `_` as suffix to builtin names if you deem the name necessary for your variable.
     - `all` or `id` is very tempting variable names but they are builtin methods in python. Go with `all_` or `id_` for these or better yet choose something else as a name.