[Tutor] bubble sort function
sunil.techspk at gmail.com
Wed Nov 26 12:16:11 CET 2014
Thank you Alan. But a question here, how would it understand that the given
input is valid?
The while loop makes it keep on asking until a valid input is
received. Without the while loop it would only ask once and
either return None or a digit.
On Wed, Nov 26, 2014 at 3:46 PM, Alan Gauld <alan.gauld at btinternet.com>
> On 26/11/14 09:57, Sunil Tech wrote:
>> Hi Danny,
>> Curious to the use the need of using while True in the given example of
>> On Mon, Nov 17, 2014 at 9:57 AM, Danny Yoo <dyoo at hashcollision.org
>> <mailto:dyoo at hashcollision.org>> wrote:
>> > def ask_for_a_digit():
>> > while True:
>> > digit = raw_input("Give me a digit between 0 and 9.")
>> > if digit not in "0123456789":
>> > print "You didn't give me a digit. Try again."
>> > else:
>> > return int(digit)
> The while loop makes it keep on asking until a valid input is
> received. Without the while loop it would only ask once and
> either return None or a digit.
> Alan G
> Author of the Learn to Program web site
> Follow my photo-blog on Flickr at:
> Tutor maillist - Tutor at python.org
> To unsubscribe or change subscription options:
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Tutor