text = '''{"name":"张三", "age":'''print(parse_json_markdown(text))
# {'name': '张三'}

text = '''```json\n{"name":"张三", "age":27'''print(parse_json_markdown(text))
# {'name': '张三', 'age': 27}

text = '''```json\n{"name":"张三", "age": 27, "爱好": ["羽毛球'''print(parse_json_markdown(text))
# {'name': '张三', 'age': 27, '爱好': ['羽毛球']}

new_chars = []stack = []is_inside_string = Falseescaped = False
# Process each character in the string one at a time.for char in s:if is_inside_string:if char == '"' and not escaped:is_inside_string = Falseelif char == "\n" and not escaped:char = "\\n"# Replace the newline character with the escape sequence.elif char == "\\":escaped = not escapedelse:escaped = Falseelse:if char == '"':is_inside_string = Trueescaped = Falseelif char == "{":stack.append("}")elif char == "[":stack.append("]")elif char == "}" or char == "]":if stack and stack[-1] == char:stack.pop()else:# Mismatched closing character; the input is malformed.return None