Simple Encryption

[John Hunter]

>>>>> "Bronek" == Bronek Carr <BCARR1 at uk.ibm.com> writes:

    Bronek> Hi all, I am trying to write a simple ROT-13 encryption
    Bronek> script in python.  A good starting point would be a
    Bronek> function which gets the ascii value of a character in a
    Bronek> string.  I would assume this function already exists in
    Bronek> one of the packages, as it does in every other language I
    Bronek> use.  I cannot find it if it does, can anyone help me.

ord is what you want:

>>> ord('a')
97

It's inverse is chr:

>>> chr(ord('a'))
'a'

Not to stop you from having fun, but just wanted to let you know that
rot13 is a built-in string encoding in recent versions of python 
>>> 'abc'.encode('rot13')
'nop'

John Hunter