Resolved 'Convert Binary Number in a Linked List to Integer' LeetCode problem with an optimized solution

Author: DevOgabek

Python/convert_binary_number_in_a_linked_list_to_integer.py

@@ -0,0 +1,23 @@
+# Convert Binary Number in a Linked List to Integer
+
+class ListNode(object):
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+class Solution(object):
+    def getDecimalValue(self, head):
+        decimal_value = 0
+
+        while head:
+            decimal_value = decimal_value * 2 + head.val
+            head = head.next
+
+        return decimal_value
+    
+head = ListNode(1)
+head.next = ListNode(0)
+head.next.next = ListNode(1)
+
+solution = Solution()
+print(solution.getDecimalValue(head))