Is it the same to choose college courses first and then draw lots?

Drawing lots for college courses is the same as choosing first and then choosing. In the first round, the number of candidates is more than the class capacity, and the probability of drawing lots first and then drawing lots is the same. Therefore, the possible result is that the primary election is full, and the result is that the future generations are not enough. The number of students who choose the course is greater than the total number of students who teach, so it is necessary to draw lots to decide who can choose this course. The principle of drawing lots: all students whose pre-selected courses are less than the class capacity and higher than the starting standard are selected. If the number of pre-selected courses exceeds the class capacity, the system will automatically draw lots according to the course priority.