#!/usr/bin/env python3
"""Flip upper to lower and lower to upper cases"""

import inkex


class FlipCase(inkex.TextExtension):
    """Change the case, cHANGE THE CASE"""

    @staticmethod
    def map_char(char):
        return char.upper() if char.islower() else char.lower()


if __name__ == "__main__":
    FlipCase().run()
