python分页方法

#python分页小工具
async def paging(page,pagesize,data):
    if page <= 0:
        page = 1
    if page > int(len(data) / pagesize):
        page = int(len(data) / pagesize) + 1
    print(page)
    start = (page - 1) * pagesize
    end = page * pagesize
    page_data = data[start:end]
    return page_data