如何在lambda函数python中进行错误处理

def lambda_handler(event, context):
    try:
        # 执行代码块
        # ...
    except Exception as e:
        # 处理异常逻辑
        # ...

import logging

def lambda_handler(event, context):
    try:
        # 执行代码块
        # ...
    except Exception as e:
        # 记录错误信息到日志文件
        logging.error(f"An error occurred: {str(e)}")

class CustomException(Exception):
    pass

def lambda_handler(event, context):
    try:
        # 执行代码块
        # ...
        if some_condition:
            raise CustomException("An error occurred.")
    except CustomException as e:
        # 处理自定义异常逻辑
        # ...