Given a string, check if it's a palindrome or not.
# Create a sample linked list: 1 -> 2 -> 3 -> 4 -> 5 head = Node(1) head.next = Node(2) head.next.next = Node(3) head.next.next.next = Node(4) head.next.next.next.next = Node(5) Tcs Coding Questions 2021
for char in s: if char_count[char] == 1: return char Given a string, check if it's a palindrome or not
return count
print(count_pairs_with_sum([1, 2, 3, 4, 5], 7)) # Output: 2 Given a string
class Node: def __init__(self, data): self.data = data self.next = None
