how to a append one map to another in golang code example

Example 1: appending map into map golang

for _, note := range notes {
        thisNote := map[string]string{
            "Title":note.Title,
            "Body":note.Body,
        }

        content["notes"] = append(content["notes"], thisNote)
}

Example 2: appending map into map golang

{ "notes": 
    {
    "Title":note.Title,
    "Body":note.Body,
    },
    {
    "Title":note.Title,
    "Body":note.Body,
    },
    {
    "Title":note.Title,
    "Body":note.Body,
    },
}