بدون اسم 2

def swap(a,i,j):
    b=a[i]
    a[i]=a[j]
    a[j]=b
def bubblesort(A):
    n=len(A)-1
    for i in range(n-1):
        for j in range(n-i):
            if A[j]>A[j+1]:
                swap(A,j,j+1)
from random import*
a=20*[0]
for i in range(20):
    a[i]=randint(1,1000)
b=5*[0]
c=5*[0]
d=5*[0]
e=5*[0]
for i in range(4):
    if i==0:
        b=a[:5]
    if i==1:
        c=a[5:10]
    if i==2:
        d=a[10:15]
    else:
        e=a[15:]
bubblesort(b)
bubblesort(c)
bubblesort(d)
bubblesort(e)
a=b+c+d+e
print(a)