def show_list(slist):
if slist.empty():
print('The list is empty')
return
for i in range(slist.size()):
print(slist.search_pos(i), end = ' ')
if __name__=="__main__":
slist=Linked_list( )
print("the number of data: {}".format(slist.size()))
show_list(slist)
print()
slist.append(2)
print("the number of data: {}".format(slist.size()))
show_list(slist)
print()
if slist.remove(2):
print("the number of data: {}".format(slist.size()))
show_list(slist)
print()