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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def evaluate(self, X, y):
 """ x Must match expected type Must match expected shape y Must match expected type """

        scores = self.ops.flatten(list(self.pipe(X)))
        if not hasattr(y, "shape"):
            y = self.ops.flatten(y)
        scores = scores.reshape(y.shape)
        if len(scores.shape) == 1:
            correct = ((scores >= 0.5) == (y >= 0.5)).sum()
        else:
            correct = (scores.argmax(axis=1) == y.argmax(axis=1)).sum()
        return correct / y.shape[0]