Op 14-06-13 14:59, Nick the Gr33k schreef:
> On 14/6/2013 1:50 μμ, Antoon Pardon wrote:
>> Python works with numbers, but at the moment
>> it has to display such a number it has to produce something
>> that is printable. So it will build a string that can be
>> used as a notation for that number, a numeral. And that
>> is what will be displayed.
> so a number is just a number but when this number needs to be displayed
> into a monitor, then the printed form of that number we choose to call
> it a numeral?
> So, a numeral = a string representation of a number. Is this correct?
Yes, when you print an integer, what actually happens is something along
the following algorithm (python 2 code):
def write_int(out, nr):
ord0 = ord('0')
lst = []
negative = False
if nr < 0:
negative = True
nr = -nr
while nr:
digit = nr % 10
lst.append(chr(digit + ord0))
nr /= 10
if negative:
lst.append('-')
lst.reverse()
if not lst:
lst.append('0')
numeral = ''.join(lst)
out.write(numeral)
--
Antoon Pardon
--
http://mail.python.org/mailman/listinfo/python-list
