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How exactly does tail recursion work?
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answered Mar 20 '13 at 9:11
Alexey FrunzeAlexey Frunze
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What is the difference between '/' and '//' when used for division?
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Regular expression for matching HH:MM time format
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375
Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may wor...
Validating IPv4 addresses with regexp
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36 Answers
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How to sort two lists (which reference each other) in the exact same way
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Extract first item of each sublist
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Using list comprehension:
>>> lst = [['a','b','c'], [1,2,3], ['x','y','z']]
>>> lst2 = [item[0] for item in lst]
>>> lst2
['a', 1, 'x']
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Difference between `set`, `setq`, and `setf` in Common Lisp?
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173
Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SETQ...
How to make lists contain only distinct element in Python? [duplicate]
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Mark ByersMark Byers
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Formatting floats without trailing zeros
...rtelli
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Remove all the elements that occur in one list from another
...e following statement does exactly what you want and stores the result in l3:
l3 = [x for x in l1 if x not in l2]
l3 will contain [1, 6].
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