* Create merge_two_lists.py that implements merging of two sorted linked lists
* Update merge_two_lists.py
Fixed formatting errors
* Fixed trailing whitespace
* Change name of function to def __str__()
* updating DIRECTORY.md
* Imported classes from singly_linked_list.py
* Update merge_two_lists.py
* Update merge_two_lists.py
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>