from tempfile import TemporaryFile, NamedTemporaryFile

with TemporaryFile('w+t') as f:
    f.write('Python es tremendo!\n')
    f.write('La era Python ha empezado!\n')

    f.seek(0)
    print(f.read())

with NamedTemporaryFile('w+t') as f:
    print(f.name)