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Why is the order in dictionaries and sets arbitrary?
...d 'bar', for example, and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>> hash('foo') % 8
3...
Expand a random range from 1–5 to 1–7
...rd, and if we don't get a good result, we keep throwing darts.
Like Adam said, this can run forever in the worst case, but statistically the worst case never happens. :)
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Append values to a set in Python
..._set |= {2}
>>> my_set
{1, 2}
Note: In versions prior to Python 2.7, use set([...]) instead of {...}.
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Adding dictionaries together, Python [duplicate]
...**dic1)
In some cases it may be handy to use dict comprehensions (Python 2.7 or newer),Especially if you want to filter out or transform some keys/values at the same time.
ndic = {k: v for d in (dic0, dic1) for k, v in d.items()}
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Creating a JSON response using Django and Python
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With python 2.7, it should just be "import json"
– Cullen Fluffy Jennings
Sep 6 '12 at 22:22
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Python setup.py develop vs install
...sing python setup.py develop --user? Thanks!
– ROBOT AI
Dec 16 '16 at 18:58
2
I think the --user ...
How do I calculate square root in Python?
...thod can be computed as: sqrt = x**(float(1)/2)
– VM_AI
Sep 28 '18 at 10:41
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How to sort a list of strings numerically?
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when I try key=int in 2.7 I get None
– KI4JGT
Jan 28 '13 at 5:48
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Code for Greatest Common Divisor in Python [closed]
...d
>>> gcd(20,8)
4
Source code from the inspect module in Python 2.7:
>>> print inspect.getsource(gcd)
def gcd(a, b):
"""Calculate the Greatest Common Divisor of a and b.
Unless b==0, the result will have the same sign as b (so that when
b is divided by it, the resul...