xmltodict

import xmltodict
import pprint


if __name__ == '__main__':
    with open("xml_folder/country.xml") as ifile:
        text = ifile.read()
        # print(text)
        d = xmltodict.parse(text)
        # pprint.pprint(d)

        for country in d["countries"]["country"]:
            country["#text"] = country["#text"].upper()
            print(country["#text"])

        with open("xml_folder/country_3.xml", "w") as ofile:
            text = xmltodict.unparse(d, pretty=True)
            ofile.write(text)