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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _find_wikipedia_names(self, name_en):
 """ Finds all Wikipedia pages referring to the specified name in English and returns a dictionary where the keys are the language code and the values are the titles of the corresponding pages. """

        url = 'https://en.wikipedia.org/w/api.php'
        params = {'action': 'query',
                  'titles': name_en,
                  'prop': 'langlinks',
                  'lllimit': 500,
                  'format': 'json'}
        r = requests.get(url, params=params)
        if not r:
            raise ValueError('Could not find wikipedia page: {0}'.format(name_en))
        out = r.json()

        names = {}
        pages = out['query']['pages']
        for page in pages:
            for langlink in pages[page].get('langlinks', []):
                names[langlink['lang']] = langlink['*']

        return names