find the least difference between 2 part of the same list

tapeequilibrium.py

# you can write to stdout for debugging purposes, e.g.
# print "this is a debug message"

def solution(A):
    # write your code in Python 2.7
    # Split list into 2 list
    if len(A) == 0:
        return 0
    if len(A) == 1:
        return A[0]
    i = 1
    left = A[0]
    right = sum(A) - left
    result = abs(left-right)
    while(i <= len(A)-1):
        # print "i = %d" % i
        diff = abs(left - right)
        print "diff = %d" % diff
        if diff < result:
            result = diff
        left += A[i]
        right -= A[i]
        i += 1
    print result
    return result
    
solution([4,1,2,4,3])