[Tutor] can any one help

[invincible patriot]

ya definately, just give me the hinti made a prog for the first one but it when ran, saying RESTART in active shell
def fibn(n):	a,b=15,2	while a>n:		print a,		a,b=a,a+b		fibn(-1)
whatz rong in this prog that the error is saying no break point
thanks
From: anand.shashwat at gmail.com
Date: Sun, 31 Jan 2010 04:16:40 +0530
Subject: Re: [Tutor] can any one help
To: invincible_patriot at hotmail.com
CC: tutor at python.org

I got the question. I just gave you hints, so as you can try yourself. Also please use 'Reply all'

On Sun, Jan 31, 2010 at 4:08 AM, invincible patriot <invincible_patriot at hotmail.com> wrote:







I want to use WHILE LOOP in the first one and in the second question we need to take a string 'foobar' and then we should make the prog to get the following out putlet me tel u the exact question


Write a small Python program that generates the list of all pairs of characters c andits 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’)]
thatz the exact 2nd questionalso let me know aboutthe first one


thanks allot
From: anand.shashwat at gmail.com
Date: Sun, 31 Jan 2010 04:05:09 +0530


Subject: Re: [Tutor] can any one help
To: invincible_patriot at hotmail.com
CC: tutor at python.org



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:









hii am stuck in few tasks can some one help me in thathere are first few tasks
1how can i print the following series, using a loop1513




11...31-1========2Write a small Python program that generates the list of all pairs of characters c andits 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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