def my_join(lst1,obj):
	str=""
	for n in lst1:
		str+=n
		if n!=lst1[-1]:
			str+=obj
	return str



def my_insert(lst1,obj,index=5):
	return lst1[:index]+[obj]+lst1[index:]

def my_pop(lst1,index=-1):
	str=lst1[index]
	del lis1[index]
	return str

def my_remove(lis1,obj):
	del lis1[lis1.index(obj)]

def my_reverse(lis1):
	for i in range(len(lis1)//2):
		lis1[i],lis1[-(i+1)]=lis1[-(i+1)],lis1[i]
def my_sort(lis1):
	sigrdze=len(lis1)
	for i in range(sigrdze-1):
		index=0
		while index<sigrdze-1:
			if lis1[index]>lis1[index+1]:
				lis1[index],lis1[index+1]=lis1[index+1],lis1[index]
			index+=1

lst=["aleqsandre","mishiko","dato","aleqsandre","saba","beqa"]
lst2=[8,9,7,4,10]
object=""
my_sort(lst2)
print(lst2)