How to add islice function to python program?

How to add islice function to python program?

By : guouopp
Date : November 21 2020, 04:03 PM
will help you ... because you are trying to import iterator, which does not exist?
code :
from itertools import islice

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python itertools: Using cycle with islice

python itertools: Using cycle with islice

By : T0mcat
Date : March 29 2020, 07:55 AM
Any of those help well... it looks like it's doing what is expected here.
So, normally, cycle works like this:
code :
cycle([1,2,3,4,5]) -> [1,2,3,4,5,1,2,3,4,5,1,2,3,4,5]
[iter(a), iter(b), iter(c), iter(a), iter(b), iter(c), iter(a), iter(b), iter(c), ...]
[1, 4, 5, 2, StopIterator]
[iter(c), iter(a), iter(c), iter(a), iter(c), iter(a), ...]
[6, 3, StopIterator]
Python 3.6: async version of islice?

Python 3.6: async version of islice?

By : mick.chris
Date : March 29 2020, 07:55 AM
should help you out Here is an attempt to implement asyncio friendly islice (and enumerate):
code :
import asyncio
import sys

import random

async def aenumerate(aiterable):
    i = 0
    async for x in aiterable:
        yield i, x
        i += 1

async def aislice(aiterable, *args):
    s = slice(*args)
    it = iter(range(s.start or 0, s.stop or sys.maxsize, s.step or 1))
        nexti = next(it)
    except StopIteration:
    async for i, element in aenumerate(aiterable):
        if i == nexti:
            yield element
                nexti = next(it)
            except StopIteration:

async def generate_numbers(n):
    for x in range(n):
        await asyncio.sleep(random.uniform(0.1, 0.4))
        yield x

async def consume_numbers(tag, n):
    print(tag, "start")
    async for x in generate_numbers(n):
        print(tag, x)
    print(tag, "done")

async def consume_some_numbers(tag, n, a, b, step=1):
    print(tag, "start")
    async for x in aislice(generate_numbers(n), a, b, step):
        print(tag, x)
    print(tag, "done")

loop = asyncio.get_event_loop()
    consume_numbers("A", 5),
    consume_numbers("B", 10),
    consume_some_numbers("C", 10, 0, 5),
    consume_some_numbers("D", 30, 3, 20, 4),
    consume_some_numbers("E", 10, 3, 8, 2),
Want to confirm the meaning of the name islice in Python itertools.islice

Want to confirm the meaning of the name islice in Python itertools.islice

By : Tyronius
Date : March 29 2020, 07:55 AM
I wish this helpful for you I presume it stands for "iterable slice", since it takes the same arguments as the slice built-in but generates a sequence of results rather than returning a list.
You may be suffering from some slight misunderstanding of "infinitive," which is a part of speech (in English, "to fall" is the infinitive of the verb "fall"). You perhaps mean "infinite," which is never-ending or uncountable.
Python islice is reading the same lines

Python islice is reading the same lines

By : Mujahid Zaheer
Date : March 29 2020, 07:55 AM
hop of those help? I have a big log-file (> 1GB) which should be analysed, so I wrote a python-program. I have used islice so I could read the file in chunks (10,000 lines) so my server won't run out of memory.
Is there an equivalent to Python's islice in Scala?

Is there an equivalent to Python's islice in Scala?

By : Upasana Jain
Date : March 29 2020, 07:55 AM
Does that help In Python I can easily easily slice or truncate an infinite sequence with itertools's slice method: , Oh, it looks rather simple!
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