[Tutor] Occurrence of number 2 in a range from 1 to 100

[Joel Goldstick]

On Sun, Dec 1, 2013 at 12:53 PM, Mark Lawrence <breamoreboy at yahoo.co.uk>wrote:

> On 01/12/2013 17:40, eryksun wrote:
>
>> On Sun, Dec 1, 2013 at 6:14 AM, Steven D'Aprano <steve at pearwood.info>
>> wrote:
>>
>>> On Sun, Dec 01, 2013 at 02:57:33PM +0530, Reuben wrote:
>>>
>>>> I mean occurrence of 2 from numbers 1 to 100.  The number could be the
>>>> first digit or second digit in a two digit number..for e.g. In number
>>>> 21 it
>>>> appears as first digit. For number 92 it appears as second digit
>>>>
>>>
>>>
This way may not be faster, but it may be simpler to understand:

>>> for n in range(100):
...   if '2' in str(n):
...     print n
...


>
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-- 
Joel Goldstick
http://joelgoldstick.com
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