1290. Convert Binary Number in a Linked List to Integer

1290. Convert Binary Number in a Linked List to Integer


https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/description/


# Definition for singly-linked list.
# class ListNode:
#     def __init__(self, val=0, next=None):
#         self.val = val
#         self.next = next
class Solution:
    def getDecimalValue(self, head: ListNode) -> int:
        s=''
        current=head
        while(current!=None):
            s=s+str(current.val)
            current=current.next
        m=int(s,2)
        return m