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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 _check_if_downloaded(self):
 """Check if file downloaded """

        if not os.path.isfile(self.path + self.file_name):
            print("")
            self.msg.template(78)
            print("| Download '{0}' file [ {1}FAILED{2} ]".format(
                self.file_name, self.meta.color["RED"],
                self.meta.color["ENDC"]))
            self.msg.template(78)
            print("")
            if not self.msg.answer() in ["y", "Y"]:
                raise SystemExit()