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canBalance challenge

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Last Modified: 2016-08-19
Hi,

I am working on below challenge

http://codingbat.com/prob/p158767

I have not understood the description properly

Given a non-empty array, return true if there is a place to split the array so that the sum of the numbers on one side is equal to the sum of the numbers on the other side.

canBalance([1, 1, 1, 2, 1]) → true//i thought since 1+1 is not equal to 2+1 it should be false?
canBalance([2, 1, 1, 2, 1]) → false//i thought since 2+1 is equal to 2+1 it should be true??
canBalance([10, 10]) → true


please advise
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