completely changed logic using fast ans slow method and itterating to find the lenght of the loop, adding tests_passed screenshot

basic logic added, unhasheble object error

11th task preload and preparation

handeld logic, added error handling and screenshot of tests_passed

added error handling

added basic logic, first try

10th task preparation and preloaad

handled error on empty head by returning next node, adden screenshot of tests_passed

first try, added basic logic, don't work properly

9th task preload and preparation

adding screenshot of tests_passed

add check for current.next to avoid NoneType error

attempt to remove duplicates (basic logic)

handle empty list and single node cases

8th task preload and preparation