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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 languages(self, key, value):
 """Populate the ``languages`` key."""

    languages = self.get('languages', [])

    values = force_list(value.get('a'))
    for value in values:
        for language in RE_LANGUAGE.split(value):
            try:
                name = language.strip().capitalize()
                languages.append(pycountry.languages.get(name=name).alpha_2)
            except KeyError:
                pass

    return languages