Tcs Coding Questions 2021 • Must See

return None

for char in s: if char_count[char] == 1: return char Tcs Coding Questions 2021

class Node: def __init__(self, data): self.data = data self.next = None return None for char in s: if char_count[char]

Example: Input - [1, 2, 3, 4, 5], target sum - 7, Output - 2 target sum - 7

def find_middle_element(head): slow = head fast = head