chore: update print_reverse helper method

Use a generator expression instead of slicing
`elements_list` to improve the space and time complexity
of `make_linked_list` to O(1) space and O(n) time
by avoiding the creation a shallow copy of `elements_list`.

Author: shermanhui

data_structures/linked_list/print_reverse.py

@@ -28,8 +28,10 @@ def make_linked_list(elements_list):
     # Set first element as Head
     head = Node(elements_list[0])
     current = head
-    # Loop through elements from position 1
-    for data in elements_list[1:]:
+    list_length = len(elements_list)
+
+    # Iterate over values from generator expression starting from position 1
+    for data in (elements_list[i] for i in range(1, list_length)):
         current.next = Node(data)
         current = current.next
     return head