| from typing import Dict, Any, List, Tuple, Union | |
| def nested_dict_to_string(d: Dict, indent=0) -> str: | |
| """ | |
| Convert a nested dictionary to a nicely formatted string. | |
| Handles keys and values that are instances of classes with __repr__ implemented. | |
| Args: | |
| d (dict): The nested dictionary to convert. | |
| indent (int): The current indentation level (used for recursion). | |
| Returns: | |
| str: The formatted string representation of the nested dictionary. | |
| """ | |
| result = [] | |
| for key, value in d.items(): | |
| key_repr = repr(key) | |
| if isinstance(value, dict): | |
| value_repr = nested_dict_to_string(value, indent + 4) | |
| else: | |
| value_repr = repr(value) | |
| result.append(" " * indent + f"{key_repr}: {value_repr}") | |
| return "{\n" + ",\n".join(result) + "\n" + " " * (indent - 4) + "}" if indent else "{\n" + ",\n".join(result) + "\n}" |