[Tutor] can any one help

[Shashwat Anand]

Tips:

1.
range can be stepped down in reverse order
ex ->
>>> range(10, 1, -2)
[10, 8, 6, 4, 2]

2.
you can directly get chars of string.
ex ->
>>> [i for i in 'foobar']
['f', 'o', 'o', 'b', 'a', 'r']
also
>>> 2 * 'f'
'ff'


On Sun, Jan 31, 2010 at 3:56 AM, Shashwat Anand <anand.shashwat at gmail.com>wrote:

> seems like homework ;)
> Can you paste your approach here ?
>
> On Sun, Jan 31, 2010 at 3:03 AM, invincible patriot <
> invincible_patriot at hotmail.com> wrote:
>
>>
>> hi
>> i am stuck in few tasks can some one help me in that
>> here are first few tasks
>>
>> 1
>> how can i print the following series, using a loop
>> 15
>> 13
>> 11
>> ...
>> 3
>> 1
>> -1
>> ========
>> 2
>> Write a small Python program that generates the list of all pairs of
>> characters c and
>> its doubling 2 c, where c moves through all the letters of the string
>> "foobar" and prints it out.
>> The result will look like:
>> [(’f’, ’ff’), (’o’, ’oo’), (’o’, ’oo’), (’b’, ’bb’), (’a’, ’aa’), (’r’,
>> ’rr’)]
>>
>> please help me out in these two tasks
>>
>>
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