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06.20.2008 at 06:24PM PDT, ID: 23504022
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9.0

Python - how to delete an item from a nested list, file input

Asked by sara_bellum in Python Scripting Language, Linux

Tags:

The python readlines() function gives me a list, output[], from file and I want to delete any line from output[] that is short the required number of list elements (14).  I can print the index values of the lines concerned, but I can't delete the lines themselves - the objects are either unsubscriptable or don't support item deletion. Help!
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output = src.readlines()
 
index = 0
for index, lines in enumerate(output):
   lines = lines.split(',', 13)
   if (len(lines) < 14):
       print index  # prints correct index value 
       del index     # or output2[index] etc, fails
   else:
       index +=1
[+][-]06.20.2008 at 09:39PM PDT, ID: 21836357

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[+][-]06.20.2008 at 11:54PM PDT, ID: 21836670

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[+][-]06.21.2008 at 12:52AM PDT, ID: 21836790

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[+][-]06.21.2008 at 02:09AM PDT, ID: 21836925

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[+][-]06.21.2008 at 08:13AM PDT, ID: 21837742

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[+][-]06.21.2008 at 10:04AM PDT, ID: 21838051

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[+][-]06.21.2008 at 12:35PM PDT, ID: 21838404

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[+][-]06.21.2008 at 01:13PM PDT, ID: 21838542

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[+][-]06.21.2008 at 01:35PM PDT, ID: 21838615

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[+][-]06.21.2008 at 02:29PM PDT, ID: 21838933

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[+][-]06.21.2008 at 02:52PM PDT, ID: 21838999

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About this solution

Zones: Python Scripting Language, Linux
Tags: Python
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Solution Provided By: efn
Participating Experts: 3
Solution Grade: A
 
 
[+][-]06.21.2008 at 04:07PM PDT, ID: 21839166

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