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Published on 2010-05-04T03:25:40Z
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Is there a cleaner way to write this:
for w in [w for w in words if w != '']:
I want to loop over a dictionary words, but only words that aren't whitespace. Thanks!
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Hi,
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Given two lists:
chars = ['ab', 'bc', 'ca']
words = ['abc', 'bca', 'dac', 'dbc', 'cba']
how can you use list comprehensions to generate a filtered list of words by the following condition: given that each word is of length n and chars is of length n as well, the filtered list should include only…
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I'm running the following code on a list of strings to return a list of its words:
words = [re.split('\\s+', line) for line in lines]
However, I end up getting something like:
[['import', 're', ''], ['', ''], ['def', 'word_count(filename):', ''], ...]
As opposed to the desired:
['import', 're'…
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I have a function to pick out lumps from a list of strings and return them as another list:
def filterPick(lines,regex):
result = []
for l in lines:
match = re.search(regex,l)
if match:
result += [match.group(1)]
return result
Is there a way to reformulate…
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I'm new to python, and I'm trying to get to know the list comprehensions better.
I'm not even really sure if list comprehension is the word I'm looking for, since I'm not generating a list. But I am doing something similar.
This is what I am trying to do:
I have a list of numbers, the length of…
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