摘要： list = [1,2,3,4,5,6,7,8,9,9,8,7,6,5,4,3,2,1,1,2,3,4,5,6,7,8,9]print(list.count(3))num = 0all = list.count(3)while num < all: list.remove(3) num += 1pr 阅读全文