python实现常用排序算法

排序算法依次为：冒泡排序、选择排序、插入排序、shell排序、快速排序

def Bubble_Sort(array):
    lengths = len(array)
    num = 0
    for i in range(lengths-num-1):
        j = 0;
        while j < lengths-num-1:
            if (array[j]>array[j+1]):
                array[j],array[j+1] = array[j+1],array[j]
                j = j+1
            else:
                j = j+1
        num = num +1;
    return (array)

def Selection_Sort(array):
    lengths = len(array)
    for i in range(lengths-1):
        min_array = array.index(min(array[i:lengths]))
        array[i],array[min_array] = array[min_array],array[i]
    return (array)

def Insertion_Sort(array):
    lengths = len(array)
    for i in range(1,lengths):
        temp = array[i]
        j = i-1
        while j>=0:
            if array[j]>temp:
                array[j+1] = array[j]
                array[j] = temp
            j -= 1
    return array

def Shell_Sort(array,n):
    lengths = len(array)
    interval = int(lengths/n)
    id = []
    while interval>0:
        for i in range(interval):
            while (i=0:
                    if array[id[k]]>temp:
                        array[id[k+1]] = array[id[k]]
                        array[id[k]] = temp
                    k -= 1
            id = []
        # print(array)
        interval = int(interval/n)
    return array

def Quick_Sort(array, low, high):
    i = low
    j = high
    if i >= j:
        return array
    key = array[i]
    while i < j:
        while i < j and array[j] >= key:
            j = j-1
        array[i] = array[j]
        while i < j and array[i] <= key:
            i = i+1
        array[j] = array[i]
    array[i] = key
    Quick_Sort(array, low, i-1)
    Quick_Sort(array, j+1, high)
    return array

if __name__ == '__main__':
    arrays = [-1,-3,-12,0,1,4,5,23,6,26,33,21,34,12,333,89,211,15,13,112,10]
    # arrays = [3,2,1,4,7,6,8,9,5]
    # print(Bubble_Sort(arrays))
    # print(Selection_Sort(arrays))
    # print(Insertion_Sort(arrays))
    # print(Shell_Sort(arrays,2))
    print(Quick_Sort(arrays,0,len(arrays)-1))