Tcs Coding Questions 2021 [hot] -

# 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)

for num in arr: complement = target_sum - num if complement in seen: count += 1 seen.add(num) Tcs Coding Questions 2021

Given a string, check if it's a palindrome or not. # Create a sample linked list: 1 ->

Example: Input - [-2, 1, -3, 4, -1, 2, 1, -5, 4], Output - 6 Tcs Coding Questions 2021

print(first_non_repeating_char("aabbc")) # Output: "c"