loongson/pypi: links for pythonexercises

loongson/mirror pythonexercises-1.0.0.tar.gz
loongson/mirror pythonexercises-1.0.0-py3-none-any.whl
loongson/mirror pythonexercises-0.9.1.tar.gz
loongson/mirror pythonexercises-0.9.1-py3-none-any.whl
loongson/mirror pythonexercises-0.9.0.tar.gz
loongson/mirror pythonexercises-0.9.0-py3-none-any.whl