如何使用python访问json中的元素？

{
    "name": "Alice",
    "age": 30,
    "skills": ["Python", "Java", "C++"],
    "address": {
        "city": "New York",
        "zipcode": "10001"
    }
}

import json

# JSON字符串
json_str = '''
{
    "name": "Alice",
    "age": 30,
    "skills": ["Python", "Java", "C++"],
    "address": {
        "city": "New York",
        "zipcode": "10001"
    }
}
'''

# 解析JSON字符串为Python字典
data = json.loads(json_str)

# 访问元素
print(data['name'])  # 输出: Alice
print(data['age'])   # 输出: 30
print(data['skills'][0])  # 输出: Python
print(data['address']['city'])  # 输出: New York

try:
    data = json.loads(json_str)
except json.JSONDecodeError as e:
    print(f"JSON解析错误: {e}")