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Remove all values within one list from another list? [duplicate]
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>>> a = range(1, 10)
>>> [x for x in a if x not in [2, 3, 7]]
[1, 4, 5, 6, 8, 9]
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linq query to return distinct field values from a list of objects
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edited Jun 3 '11 at 19:01
answered Jun 3 '11 at 18:49
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How can I “unuse” a namespace?
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answered Oct 3 '08 at 17:39
Head GeekHead Geek
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Double Iteration in List Comprehension
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answered Apr 20 '16 at 5:34
SkamSkam
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How can I check whether an array is null / empty?
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What is the difference between substr and substring?
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3
@Pawel also when you want it to the end of the string (no second argument)
– André Chalella
Oct 20 '...
Elegant ways to support equivalence (“equality”) in Python classes
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342
Consider this simple problem:
class Number:
def __init__(self, number):
self.num...
How to make the 'cut' command treat same sequental delimiters as one?
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edited Apr 23 '18 at 23:03
Austin Adams
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...rom collections import Counter
>>> A = Counter({'a':1, 'b':2, 'c':3})
>>> B = Counter({'b':3, 'c':4, 'd':5})
>>> A + B
Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1})
Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do wit...