Python实现排序方法常见的四种

def maopao(a):
    for i in range(0,len(a)):
        for j in range(0,len(a)-i-1):
            if a[j]>a[j+1]:
                temp = a[j+1]
                a[j+1] = a[j]
                a[j] = temp
                #print(a)
        #print(a)
    print(a)

def xuanze(a):
    for i in range(0,len(a)):
        k=i
        temp = a[i]
        for j in range(i,len(a)):
            if a[j]<temp:
                temp = a[j]
                k = j
        a[k] = a[i]
        a[i] = temp
    print(a)

a =[7,1,3,2,6,54,4,4,5,8,12,34]
def sort(a,low,high): 
    while low < high:
        temp = a[low]
        while low < high and a[high]>=temp:
            high = high-1
        a[low]=a[high]
        while low<high and a[low]<temp:
            low = low+1
        a[high]=a[low]           
        a[low]=temp
    return low
def quicksort(a,low,high):
    if low<high:
        middle = sort(a,low,high)
        quicksort(a,low,middle)
        quicksort(a,middle+1,high)
        print(a)
sort(a,0,len(a)-1)
quicksort(a,0,len(a)-1)
print(a)

'''
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'''
a =[7,1,3,2,6,54,4,4,5,8,12,34]
def sort(a,low,high): 
    while low < high:
        temp = a[low]
        while low < high and a[high]>=temp:
            high = high-1
        while low<high and a[high]<temp:
            a[low]=a[high]           
            low =low+1
            a[high]=a[low]
        a[low]=temp
    return low
def quicksort(a,low,high):
    if low<high:
        middle = sort(a,low,high)
        quicksort(a,low,middle)
        quicksort(a,middle+1,high)
        print(a)
sort(a,0,len(a)-1)
quicksort(a,0,len(a)-1)
print(a)

#插入排序
a =[7,1,3,2,6,54,4,4,5,8,12,34]
for i in range(0,len(a)-1):
    temp=a[i+1]
    j=i+1
    while j>=0 and temp<a[j-1]:
        j=j-1      
        print(j)
    if j>=-1:
        k= i+1
        while k>=j:
            a[k]=a[k-1]
            k=k-1
            print(a)
        a[j]=temp
print(a)

a =[7,1,3,2,6,54,4,4,5,8,12,34]
for i in range(1,len(a)-1):
    temp=a[i]
   
    j=i-1
    while j>=0 and temp<=a[j]:
        print(temp)
        j=j-1
    if j >=-1:
        a[i:i+1]=[]
        a.insert(j+1,temp)
        print(a)
print(a)