Task of Challenge #10/54
Calculate the sum of numbers in an array of numbers. The array: [1, 9, -19, 3, 5, 3, 7, 14, 91].
To accomplish our task, we need to iterate over the array and build the sum out of each element.
Since we aren’t so experienced right now, we should not use the reduce() function. Instead, we write basic operations like this with a for loop
After the loop has finished, we print it out to the console: