[goal] using your text editor, write the function sumsquares(alist). the function takes a list as an input and returns (not prints) the sum of the squares of the all the numbers which absolute value is divisible by 3. if an element in the list is not a number, the function should ignore the value and continue. when the function receives an input that is not a list, code should return an error message to the user. hints: review the type() or isinstance() methods grading: for this assignment only, gradescope will test your code with 5 different inputs for 2 points each. this will happen right after you upload your file. make sure you follow the given instructions, otherwise, gradescope will not show you the grading report