Microsoft Translator テキスト API の使用例です。
日本語から、ドイツ語への翻訳です。

translation.py

# ! /usr/bin/python
# -*- coding: utf-8 -*-
#
#	translation.py
#
#                   Feb/26/2018
#
# ------------------------------------------------------------------
import  sys
import  requests
from get_token import get_token_proc
# ------------------------------------------------------------------
def translate_proc(token,text_in):
	url = "https://api.microsofttranslator.com/v2/http.svc/Translate?text="
	url += text_in + "&to=de" + "&category=generalnn"
#
	headers = {"Authorization": "Bearer " + token}

	rr=requests.get(url,headers=headers)
	sys.stderr.write(str(rr.status_code) + "\n")
#
	return rr.text

# ------------------------------------------------------------------
sys.stderr.write("*** 開始 ***\n")
#
token = get_token_proc()

text_in="今日はいい天気です。"
print(text_in)
result = translate_proc(token,text_in)
print(result)

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

次の key1 は、自分のものと置き換えて下さい。

get_token.py

# -*- coding: utf-8 -*-
#
#	get_token.py
#
#                   Sep/21/2017
#
# ------------------------------------------------------------------
import  sys
import  requests
# ------------------------------------------------------------------
def get_token_proc():
	key1 = "e968e25ffc2146f00000000000000aaa"
	url="https://api.cognitive.microsoft.com/sts/v1.0/issueToken"

	headers= {"Ocp-Apim-Subscription-Key": key1}

	rr = requests.post(url,headers=headers,data="")
	sys.stderr.write(str(rr.status_code) + "\n")
#
	return rr.text
# ------------------------------------------------------------------