Updating Bitrix24 list item from AWS Lambda

B24ListItemUpdate.py

import json
from botocore.vendored import requests

def lambda_handler(event, context):
    
    ib_id=event['ib_id']
    el_id=event['id']
    
    data={
        'IBLOCK_TYPE_ID': 'lists',
        'IBLOCK_ID': ib_id,
        'ELEMENT_ID': el_id,
    }
    
    response = requests.get('https://bedrosova.bitrix24.ru/rest/1/****************/lists.element.get',data)
    list_data=response.json()
    
    fields={
        "NAME":list_data['result'][0]['NAME']
    }
    
    for k in list_data['result'][0]:
        if(k.startswith('PROPERTY')):
            for k2 in list_data['result'][0][k]:
                fields[k]=list_data['result'][0][k][k2]
    
    fields['PROPERTY_447']='222'
    
    data={
        'IBLOCK_TYPE_ID': 'lists',
        'IBLOCK_ID': ib_id,
        'ELEMENT_ID': el_id,
        'FIELDS':fields
    }
    
    response = requests.get('https://bedrosova.bitrix24.ru/rest/1/************/lists.element.update',http_build_query(data))
    result=response.json()
    #print(result)
    
    return {
        'statusCode': 200,
        'body': json.dumps('Hello from Lambda!')
    }