Help: C char bits operations to python converting

[gangli at msn.com]

In article <8qrcr7$fhe$1 at panix3.panix.com>,
  aahz at panix.com (Aahz Maruch) wrote:
> In article <8qr6au$hr4$1 at nnrp1.deja.com>,  <gangli at msn.com> wrote:
> >
> >How could I convert following C statments to Python?
> >   char tmp_ch, tmp_ch0, tmp_ch1;
> >   tmp_ch = 'K' - 'A';          /* -> 10 */
> >   tmp_ch0 = ('N' - 'A') << 4;  /* -> -48 */
> >   tmp_ch1 = tmp_ch+ tmp_ch0;   /* -> -38 */
>
> Use the built-in ord() function.

It only help convert "tmp_ch = 'K' - 'A';", but not others


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