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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def download_to_bytes(url, chunk_size=1024 * 1024 * 10, loadbar_length=10):
 """Download a url to bytes. if chunk_size is not None, prints a simple loading bar [=*loadbar_length] to show progress (in console and notebook) :param url: str or url :param chunk_size: None or int in bytes :param loadbar_length: int length of load bar :return: (bytes, encoding) """

    stream = False if chunk_size is None else True

    print("Downloading {0:s}: ".format(url), end="")

    response = requests.get(url, stream=stream)
    # raise error if download was unsuccessful
    response.raise_for_status()

    encoding = response.encoding
    total_length = response.headers.get('content-length')
    if total_length is not None:
        total_length = float(total_length)
        if stream:
            print("{0:.2f}Mb/{1:} ".format(total_length / (1024 * 1024), loadbar_length), end="")
        else:
            print("{0:.2f}Mb ".format(total_length / (1024 * 1024)), end="")

    if stream:
        print("[", end="")
        chunks = []
        loaded = 0
        loaded_size = 0
        for chunk in response.iter_content(chunk_size=chunk_size):
            if chunk:  # filter out keep-alive new chunks
                # print our progress bar
                if total_length is not None:
                    while loaded < loadbar_length * loaded_size / total_length:
                        print("=", end='')
                        loaded += 1
                    loaded_size += chunk_size
                chunks.append(chunk)
        if total_length is None:
            print("=" * loadbar_length, end='')
        else:
            while loaded < loadbar_length:
                print("=", end='')
                loaded += 1
        content = b"".join(chunks)
        print("] ", end="")
    else:
        content = response.content
    print("Finished")

    response.close()

    return content, encoding