Question: Write a function gcd (x, y) that returns the greatest common divisor of the param- eters and y. Use the Euclidean algorithm to do

Write a function gcd (x, y) that returns the greatest common divisor of the param- eters zand y. Use the

Write a function gcd (x, y) that returns the greatest common divisor of the param- eters and y. Use the Euclidean algorithm to do this. Return None if the gcd does not exist (i.e., if both parameters are 0).

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