Steven D'Aprano <[EMAIL PROTECTED]> wrote in
news:[EMAIL PROTECTED]:
> On Sat, 08 Apr 2006 22:54:17 -0700, Ju Hui wrote:
>
>> I want to print 3 numbers without blank.
> [snip]
>> how to print
>> 012
>> ?
>
> Method one: accumulate your numbers into a single string, then print
> it in one go.
>
>>>> L = []
>>>> for x in range(3):
> ... L.append(str(x))
> ...
>>>> print ''.join(L)
> 012
>>>>
>
>
> Or even:
>
>>>> print ''.join(map(str, range(3)))
> 012
>>>>
>
>
> Or use a list comprehension:
>
>>>> print ''.join([str(x) for x in range(3)])
> 012
>>>>
>
>
>
> Method two: don't use the print statement, but write directly to
> standard output.
>
>>>> import sys
>>>> for x in range(3):
> ... sys.stdout.write(str(x))
> ...
> 012>>>
>
>
> But notice how this does not write a newline when you are done -- you
> will have to remember to do it yourself with sys.stdout.write('\n').
>
> Also, print will work with any object, but sys.stdout.write will only
> work with strings:
>
>>>> print 6
> 6
>>>> sys.stdout.write(6)
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> TypeError: argument 1 must be string or read-only character buffer,
> not int
>>>>
>
>
>
Although the sysout.write() approach is (IMHO) the best, for the OP's
case, he could try method three:
for x in range(3):
print '\b%d' % x,
--
rzed
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