chatwork API 사용 (python3)

#! /usr/bin/python
# -*- coding: utf-8 -*-
#
#   send_message.py
#
#                   Nov/21/2018
#
# ------------------------------------------------------------------
import  sys
import requests

sys.stderr.write("*** 開始 ***\n")
# 
APIKEY = 'e12321ef233d8a92deb1cc15bc09b79e'
ROOMID = '11111178'
#
URL = 'https://api.chatwork.com/v2'

str_out = "これはテストです。\n"
str_out += "\tこのメッセージはpython で送信されました。\n"
str_out += "２０１８年１１月２１日\n"
str_out += "PM 18:39\n"

url = URL + '/rooms/' + ROOMID + '/messages'
headers = { 'X-ChatWorkToken': APIKEY }
params = { 'body': str_out }

resp = requests.post(url,
                     headers=headers,
                     params=params)

print(resp.content)

sys.stderr.write("*** 終了 ***\n")
# ------------------------------------------------------------------

#! /usr/bin/python
# -*- coding: utf-8 -*-
#
#   get_message.py
#
#                   Nov/21/2018
#
# ------------------------------------------------------------------
import  sys
import  json
import  requests

sys.stderr.write("*** 開始 ***\n")
# 
APIKEY = 'e12321ef233d8a92deb1cc15bc09b79e'
ROOMID = '11111178'
#
URL = 'https://api.chatwork.com/v2'


url = URL + '/rooms/' + ROOMID + '/messages'
headers = { 'X-ChatWorkToken': APIKEY }

resp = requests.get(url,headers=headers)


dict_data = json.loads(resp.content)
print(dict_data)
print(dict_data[0]['body'])
sys.stderr.write("*** 終了 ***\n")
# ------------------------------------------------------------------

#! /usr/bin/python
# -*- coding: utf-8 -*-
#
#   delete_message.py
#
#                   Nov/22/2018
#
# ------------------------------------------------------------------
import  sys
import  requests

sys.stderr.write("*** 開始 ***\n")
# 
APIKEY = 'e12321ef233d8a92deb1cc15bc09b79e'
ROOMID = '11111178'
#
URL_V2 = 'https://api.chatwork.com/v2'

message_id = '1117008309421867008'
url = URL_V2 + '/rooms/' + ROOMID + '/messages/' + message_id
headers = { 'X-ChatWorkToken': APIKEY }

resp = requests.delete(url,headers=headers)

print(resp) 
#
sys.stderr.write("*** 終了 ***\n")
# ------------------------------------------------------------------