Python bubble sort code

The following is the code for Python bubble sort:

defbubble_sort(numbers):
    n = len(numbers)
    for i in range(n):
        for j in range(0, n-i-1):
            if numbers[j] > numbers[j+1]:
                numbers[j], numbers[j+1] = numbers[j+1], numbers[j]
    return numbers

# 测试代码
numbers = [64, 34, 25, 12, 22, 11,