[Tutor] While loop

[Sayan Chatterjee]

# skip 5
    if count == 5:
        continue # means "Jump back to the top of the looop"

It is the reason. You yourself have mentioned it right inside the code!


On 7 April 2013 09:40, Dave Angel <davea at davea.name> wrote:

> On 04/06/2013 11:23 PM, Najam Us Saqib wrote:
>
>> Hi,
>>
>> Would you please help me by explaining that why " 5 " is skipped and not
>> printed in the following program?
>>
>>
> Seems to me the comments say it pretty well.  The continue statement
> causes execution to continue at the while statement, which has the effect
> of skipping the print.  Like Monopoly:  go directly to jail, do not pass go.
>
>
>  Thank you.
>> Najam.
>>
>> count = 0
>> while True:
>>      count += 1
>>      # end loop if count is greater than 10
>>      if count > 10:
>>          break # means "break out of the loop"
>>      # skip 5
>>      if count == 5:
>>          continue # means "Jump back to the top of the looop"
>>      print count
>>
>> raw_input("\n\nPress the enter key to exit.")
>>
>> Output:
>>
>> 1
>> 2
>> 3
>> 4
>> 6
>> 7
>> 8
>> 9
>> 10
>>
>>
>> Press the enter key to exit.
>>
>
> Incidentally, this looks like a transliteration of something written for
> some other language.  An experienced Python programmer would never write it
> this way.
>
> I'd use something like (untested):
>
> for count in xrange(11):
>     if count != 5:
>         print count
>
> On the other hand, a course --teaching a C programmer to use Python--
> might well use this as an early example, showing you later how much
> elegantly it can be done.
>
>
> --
> DaveA
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-- 


--------------------------------------------------------------------------
*Sayan  Chatterjee*
Dept. of Physics and Meteorology
IIT Kharagpur
Lal Bahadur Shastry Hall of Residence
Room AB 205
Mob: +91 9874513565
blog: www.blissprofound.blogspot.com

Volunteer , Padakshep
www.padakshep.org
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