Question: 
Write a python function to find the sum of an array.


Model's Code:
def _sum(array):
    return sum(array)



Sample Correct Code:
def _sum(arr):  
    sum=0
    for i in arr: 
        sum = sum + i      
    return(sum)  


Asserts:
assert _sum([1, 2, 3]) == 6
assert _sum([15, 12, 13, 10]) == 50
assert _sum([0, 1, 2]) == 3


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 798 of 974: 607/798 (76.06516290726817%): success