@clcoding@tech_educator Answer: D: 24 24
› product: 2*3*4 = 24
› nums.append(5) → [2,3,4,5]
› total: 10+2+3+4+5 = 24 (starts at 10!)
The trick: reduce's 3rd param is initial value.
For beginners: Use sum() and math.prod() instead of reduce for these operations!