import pandas as pd

import sys

import json

df = pd.read_json("/var/lib/zabbix/output/apache2_user_agent_metrics-2.json")

norm_user_agent_list = []

for norm_user_agent in df.norm_user_agent:

    norm_user_agent_list.append(
                                {"{#NORM_USER_AGENT}":norm_user_agent}
                               )


print(
        json.dumps(norm_user_agent_list)
     )