* Update __init__.py
please add a function to get length of linked list
* Update __init__.py
* Update doubly_linked_list.py
all size function lo doubly linked list class
* prime number _better method
* comments
* Updated init.py 2
made it more pythonic
* updated length function
* commnet in linked_list construtor
* Update data_structures/linked_list/__init__.py
accepecting changes
Co-authored-by: Christian Clauss <cclauss@me.com>
* Update data_structures/linked_list/__init__.py
Co-authored-by: Christian Clauss <cclauss@me.com>
* Update __init__.py
* Revert changes to doubly_linked_list.py
* Revert changes to prime_check.py
Co-authored-by: Christian Clauss <cclauss@me.com>