[docs] [issue14097] Improve the "introduction" page of the tutorial

[Ezio Melotti]

Ezio Melotti added the comment:

Attached a new patch that should address all the points except the last example with Fibonacci.

----------
stage: needs patch -> patch review
versions:  -Python 3.2
Added file: http://bugs.python.org/file29649/issue14097-2.diff

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14097>
_______________________________________