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POIterating over multiple lists in Python
 

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    <p>I have a list within a list, and I am trying to iterate through one list, and then in the inner list I want to search for a value, and if this value is present, place that list in a variable.</p> <p>Here's what I have, which doesn't seem to be doing the job:</p> <pre><code>for z, g in range(len(tablerows), len(andrewlist)): tablerowslist = tablerows[z] if "Andrew Alexander" in tablerowslist: andrewlist[g] = tablerowslist </code></pre> <p>Any ideas?</p> <p>This is the list structure:</p> <pre><code>[['Kyle Bazzy', 'FUP dropbox message', '8/18/2011', 'Swing Trade Stocks&lt;/a&gt;', '&amp;nbsp;', 'Affiliate blog'], ['Kyle Bazzy', 'FUP dropbox message', '8/18/2011', 'Swing Trade Software&lt;/a&gt;', '&amp;nbsp;', 'FUP from dropbox message. Affiliate blog'], ['Kyle Bazzy', 'FUP dropbox message', '8/18/2011', 'Start Day Trading (Blog)&lt;/a&gt;', '&amp;nbsp;', 'FUP from dropbox message'], ['Kyle Bazzy', 'Call, be VERY NICE', '8/18/2011', '&amp;nbsp;', 'r24867&lt;/a&gt;', 'We have been very nice to him, but he wants to cancel, we need to keep being nice and seeing what is wrong now.'], ['Jason Raznick', 'Reach out', '8/18/2011', 'Lexis Nexis&lt;/a&gt;', '&amp;nbsp;', '-'], ['Andrew Alexander', 'Check on account in one week', '8/18/2011', '&amp;nbsp;', 'r46876&lt;/a&gt;', '-'], ['Andrew Alexander', 'Cancel him from 5 dollar feed', '8/18/2011', '&amp;nbsp;', 'r37693&lt;/a&gt;', '-'], ['Aaron Wise', 'FUP with contract', '8/18/2011', 'YouTradeFX&lt;/a&gt;', '&amp;nbsp;', "Zisa is on vacation...FUP next week and then try again if she's still gone."], ['Aaron Wise', 'Email--JASON', '8/18/2011', 'Lexis Nexis&lt;/a&gt;', '&amp;nbsp;', 'email by today'], ['Sarah Knapp', '3rd FUP', '8/18/2011', 'Steven L. Pomeranz&lt;/a&gt;', '&amp;nbsp;', '-'], ['Sarah Knapp', 'Are we really interested in partnering?', '8/18/2011', 'Reverse Spins&lt;/a&gt;', '&amp;nbsp;', "V. political, doesn't seem like high quality content. Do we really want a partnership?"], ['Sarah Knapp', '2nd follow up', '8/18/2011', 'Business World&lt;/a&gt;', '&amp;nbsp;', '-'], ['Sarah Knapp', 'Determine whether we are actually interested in partnership', '8/18/2011', 'Fayrouz In Dallas&lt;/a&gt;', '&amp;nbsp;', "Hasn't updated since September 2010."], ['Sarah Knapp', 'See email exchange w/Autumn; what should happen', '8/18/2011', 'Graham and Doddsville&lt;/a&gt;', '&amp;nbsp;', "Wasn't sure if we could partner bc of regulations, but could do something meant simply to increase traffic both ways."], ['Sarah Knapp', '3rd follow up', '8/18/2011', 'Fund Action&lt;/a&gt;', '&amp;nbsp;', '-']] </code></pre> <p>For any value that has a particular value in it, say, Andrew Alexander, I want to make a separate list of these.</p> <p>For example:</p> <pre><code>[['Andrew Alexander', 'Check on account in one week', '8/18/2011', '&amp;nbsp;', 'r46876&lt;/a&gt;', '-'], ['Andrew Alexander', 'Cancel him from 5 dollar feed', '8/18/2011', '&amp;nbsp;', 'r37693&lt;/a&gt;', '-']] </code></pre>
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    1. COYou'd have to clarify what your data structure look like. Do you have only two lists, or do you have a list where each of its element is another list? And assuming there are multiple matches, do you want to collect all of them?
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    2. COYou could be looking for: `zip(range(len(tablerows)), range(len(andrewlist)))`. But still didn't understand what the code is trying to do. You should give some example input and output.
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