class XmlFiller:
    def __init__(self, template, context):
        self.template = template
        self.context = context

    def save(self, output):
        with open(self.template) as x:
            text = x.read()
            outtext = text.format(**self.context)
        with open(output, "w") as w:
            w.write(outtext)
            return f" {output} Saved"
