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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import requests
from urllib import quote_plus
import xml.etree.ElementTree as ET
appid = 'U6E8UV-AP3QJAT6RK'
def get_plaintext_query(latex):
r = requests.get('http://api.wolframalpha.com/v2/query?input=%s&appid=%s' % (quote_plus(latex), appid))
root = ET.fromstring(r.text.encode('utf8'))
for pod in root:
if pod.attrib.get('title', '') in ['Decimal approximation', 'Definite integral']:
subpod = pod.find('subpod')
result = subpod.find('plaintext').text
if pod.attrib.get('title', '') == 'Definite integral':
return result.split('~~')[1]
else:
return result
if __name__ == '__main__':
from sys import stdin
print get_plaintext_query(stdin.read())
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