[Py] sequetial sideway move 1block

from os import system
from time import sleep

# string = "HELLO"
# #string = ['H','E','L','L','O']
# length = len(string)

# while True:
#     for i in range(length):
#         print(string[i:])
#         sleep(0.5)
#         system("cls")

number = "123456789"
length = len(number)

while True:
    for i in range(length):
        #print(number.replace(number[i], "i"))
        print(number.insert(i))
        sleep(0.5)
        system("cls")

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstring>
#include <Windows.h>
#include <cstdlib>
using namespace std;

class Billboard
{
private:
	char* name;
public:
	Billboard()
	{
		name = NULL;
	}
	void SetInfo(char* name)
	{
		this->name = name;
	}
	~Billboard()
	{
		delete[]name;
	}
};

int main(void)
{
	Billboard bill;
	char stn[100];
	cout << "Input string : ";
	cin >> stn;
	int len = strlen(stn) + 1;
	char* charstn = new char[len];
	strcpy(charstn, stn);
	bill.SetInfo(charstn);
	int i;
	char* temp;

	while (true)
	{
		for (i = 0; i < len; i++)
		{
			temp = charstn[i];
			cout << charstn + i << temp << endl;
			Sleep(500);
			system("cls");
		}
	}



	return 0;
}