12. Python program to print the sum of all elements in an array

In this program, we need to calculate the sum of all the elements of an array. This can be solved by looping through the array and add the value of the element in each iteration to variable sum.

Sum of all elements of an array is 1 + 2 + 3 + 4 + 5 = 15.

ALGORITHM:

• STEP 1: Declare and initialize an array.
• STEP 2: The variable sum will be used to calculate the sum of the elements. Initialize it to 0.
• STEP 3: Loop through the array and add each element of the array to the variable sum as sum = sum + arr[i].

PROGRAM:

Output:

Sum of all the elements of an array: 15