[after tounix 5 times] >>> open('basics/test0.html', 'rb').read() '\012HTML 101\012

A First HTML page

\012

Hel lo, HTML World!

\012\012\012' [after todos 5 times] >>> open('basics/test0.html', 'rb').read() '\015\012HTML 101\015\012

A First HTML page

\0 15\012

Hello, HTML World!

\015\012\015\012\015\012'