Python嵌套字典半扁平化转换高效实现方案求助

1. Headings #

Level 3 Heading #

Level 4 Heading

Level 5 Heading

2. Unordered Lists #

• Basic list item
• Another list item
  • Nested list item
  • Second nested item
    • Deeply nested item

3. Text Emphasis #

• Italicized text (single asterisks)
• Bold text (double asterisks)
• Bold and italicized text (triple asterisks)

4. Code & Commands #

• Inline code: print("Hello World")
• Multi-line code block:

function calculateSum(a, b) {
    return a + b;
}
const result = calculateSum(5, 3);

5. Quoted Text #

Single-line quote example.

Multi-line quote that spans multiple lines.
This is the second line of the quote.

6. Links #

Internal Section Link
Placeholder Link

7. Images #

内容的提问来源于stack exchange，提问作者haritha c