So top grade's O for 'Outstanding,'" Hermione was saying, "and then there's A-" "No, E," George corrected her, "E for 'Exceeds Expectations.' And I've always thought Fred and I should've got E in everything, because we exceeded expectations just by turning up for the exams.
J. K. RowlingChildren being children, however, the grotesque Hopping Pot had taken hold of their imaginations. The solution was to jettison the pro-Muggle moral but keep the warty cauldron, so by the middle of the sixteenth century a different version of the tale was in wide circulation among wizarding families. In the revised story, the Hopping Pot protects an innocent wizard from his torch-bearing, pitchfork-toting neighbours by chasing them away from the wizard's cottage, catching them and swallowing them whole.
J. K. Rowling