遍历JSON文件中的嵌套字典

import json

# 示例嵌套字典
nested_dict = {
    "name": "John",
    "age": 30,
    "address": {
        "street": "123 Main St",
        "city": "Anytown",
        "zipcode": "12345"
    },
    "contacts": [
        {"type": "email", "value": "john@example.com"},
        {"type": "phone", "value": "555-1234"}
    ]
}

def traverse_dict(d, indent=0):
    for key, value in d.items():
        print(' ' * indent + str(key))
        if isinstance(value, dict):
            traverse_dict(value, indent+4)
        elif isinstance(value, list):
            for item in value:
                if isinstance(item, dict):
                    traverse_dict(item, indent+4)
                else:
                    print(' ' * (indent+4) + str(item))
        else:
            print(' ' * (indent+4) + str(value))

# 加载JSON文件
with open('data.json', 'r') as file:
    data = json.load(file)

# 遍历JSON数据
traverse_dict(data)

import sys
sys.setrecursionlimit(2000)  # 设置递归深度限制为2000

try:
    with open('data.json', 'r') as file:
        data = json.load(file)
except json.JSONDecodeError as e:
    print(f"JSON解析错误: {e}")