1 What is the time complexity of the function get_first () shown below? 1 . 2. def get_first(data): 3. return data[0] 4 . 5. if name ==main ': 6. data =[1,2,9,8,3,4,7,6,5] 7. print (get_first(data)) 8. (a) T(n)=O(1) (b) T(n)=O(n) (c) T(n)=O(n2) (d) T(n)=O(n3)