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Python exercise
Double Mutation
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from bakery import assert_equal
def double_elements(numbers: list[int]) -> list[int]:
for index in range(len(numbers)):
numbers[index] = numbers[index] * 2
return numbers
test1 = [1, 2, 3]
assert_equal(double_elements(test1), [2, 4, 6])
assert_equal(test1, [1, 2, 3])
test2 = [6, 4, 5]
assert_equal(double_elements(test2), [12, 8, 10])
assert_equal(test2, [6, 4, 5])