400
What is the purpose of the following code?
int nums[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 ,15, 16, 17, 18, 19, 20};
for (int i = 0; i < nums.length(); i = i + 5)
{
Serial.println(nums[i]);
}
print out every 5th number in the array.