Prerequisites:

Assume that I've created a Google service account, and I've a Google document ID doc_ID.

Problem:

When I've only 2 types of elements (nested list and normal text), subsequent to the suggestion of @Tanaike https://stackoverflow.com/a/78541593/25276165, I successfully wrote the contents to a Google document. Now I want to generalize my list to include various other kind of elements. Thereby, my lists looks like the following:

my_list =
[
    "# Top-level Heading",
    "This is the first normal text line, without any itemized list format.",
    "* This is the first outermost list item (number)",
    "  * This is the first level-one indented list item (alpha)",
    "This is the final normal text line, without any itemized list format.",
    "# Top-level Heading",
    "* This is the second outermost list item (number) under the heading, with new numbering",
    "  * This is the second level-one indented list item (alpha) under the heading",
    "This is the final normal text line, without any itemized list format.",
]

My Attempts:

To cater various types of list elements, my first line of thought is to use a for loop with if conditions, as shown below:

requests = []
for item in my_list:
    if item.startswith("# "):
        text = item[2:] + '\n'
        end_index = start_index + len(text)
        item_request = heading_request(text, start_index, end_index)
    elif item.startswith("* "):
        text = item[2:] + '\n'
        end_index = start_index + len(text)
        item_request = list_request(text, start_index, end_index)
    elif item.startswith("  * "):
        text = item[4:] + '\n'
        end_index = start_index + len(text)
        item_request = list_request(text, start_index, end_index)
    else:
        text = item + '\n'
        end_index = start_index + len(text)
        item_request = text_request(text, start_index, end_index)

    requests.append(item_request)
    start_index = end_index

Here, heading_request, list_request, or text_request are expected to contain all the desired fields and their values. For brevity reasons, I just list a brief hint of the code snippet for list_requests:

    {"insertText": {"text": list_text, 'location': {'index': start_list_index}}},
    {
        "createParagraphBullets": {
            'range': {'startIndex': start_list_index, 'endIndex': end_list_index},
            "bulletPreset": "NUMBERED_DECIMAL_ALPHA_ROMAN",
        }
    }

Expected Result

How can this be successfully programmed so that using Google Docs API, I can write to a Google document with desired nested indentation and text types?