def sort(nums):
    for i in range(len(nums)-1, 0, -1):
        for j in range(i): # after every iteration we get one iteration fixed
            if nums[j] > nums[j+1]: # swap
                temp = nums[j]
                nums[j] = nums[j+1]
                nums[j+1] = temp



        
nums = [5,3,8,6,7,2]
sort(nums)

print(nums)