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Complete the square sum function so that it squares each number passed into it and then sums the results together.
For example, for [1, 2, 2] it should return 9 because 1^2 + 2^2 + 2^2 = 9.
Solution:
def square_sum(numbers):
square = lambda x:(x**2+x**2)//2
return sum(square(number) for number in numbers)
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