Description: Given the triangle of consecutive odd numbers: 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 ... Calculate the sum of the numbers in the nth row of this triangle (starting at index 1) e.g.: (Input --> Output) 1 --> 1 2 --> 3 + 5 = 8 Solution: 1. Add up all 'n' numbers. 2. Find the odd number by the added number. 3. It returns after adding 'n' odd numbers from the last. def row_sum_odd_num..