小题目大智慧（三）

python：写冒泡排序

def bubblesort(num):
    for i in range(len(num)-1):
        for j in range(len(num)-i-1):
            if nums[j]>nums[j+1]:
                nums[j],num[j+1] = nums[j+1],nums[j]
    return nums

nums = [2,3,5,1,6,8,9]
print(bubblesort(nums))