| | I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like ... | What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
good = [x for x ...
| What is the best way to split a list into parts based on an arbitrary number of indexes? E.g. given the code below
indexes = [5, 12, 17]
list = range(20)
return something like ... | I have following list:
mylist = ['Hello,\r', 'Whats going on.\r', 'some text']
When I write "mylist" to a file called file.txt
open('file.txt', 'w').writelines(mylist)
I get for every line a little bit text because of the ... | I have a list which I have obtained from a python script. the content of the list goes something like:
The content below is in a file but I loaded it into ... | Hey im new to python. How do you get a portion of a list by the relative value of its sorting key.
example...
list = [11,12,13,14,15,16,1,2,3,4,5,6,7,8,9,10]
list.sort()
newList = list.split("all numbers that are over 13")
assert ... | I'm writing a parser in Python. I've converted an input string into a list of tokens, such as:
['(', '2', '.', 'x', '.', '(', '3', '-', '1', ')', '+', '4', ')', '/', ... | | Hey all. Trying to get a little more efficient with lists in Python but I cant seem to figure out if I can do what I want or even if it ... | I've scoured various resources and can't figure out how to do a rather simple operation.
Right now, I have a list as follows:
li = [['a=b'],['c=d']]
I want to transform this into:
li = [['a','b'],['c','d']]
As ... | I think in Python 3 I'll be able to do:
first, *rest = l
which is exactly what I want, but I'm using 2.6. For now I'm doing:
first = l[0]
rest = l[1:]
This is ... | So I've got a string of bytes which represents cubes in three dimensions. The coordinates are ordered like this:
[x0y0z0, x0y1z0, x0y2z0, ..., x0y127z0, x0y0z1, x0y1z1, ..., x15y127z15]
I'd like to split this ... | Say I have a list like so:
[1, 4, None, 6, 9, None, 3, 9, 4 ]
I decide to split this into nested lists on None, to get this:
[ [ 1, 4 ...
| For example, I have such code
a = ["a;b", "c;d",...,"y;z"]
I want to split every list element into to items of the same list. So i wanna get something like this:
["a", "b", "c", ...
| I have a list (say 6 elements for simplicity)
L = [0,1,2,3,4,5]
and I want to chunk it into pairs in ALL possible ways. I show some configurations:
[(0,1),(2,3),(4,5)]
[(0,1),(2,4),(3,5)]
[(0,1),(2,5),(3,4)]
and so on.
Here (a,b)=(b,a) ... | I have a following database field:
AUX: Smith, J., Jones, M. & Ford, S.
There can names from one up to 15 and others are separated by comma and last one separated by ... | I am trying to create a program that reads multiple choice answers from a txt file and compares them to a set answer key. This is what I have so ... | I've got a list which contains the following strings:
MainList
'00:00'
'00:01'
'00:02'
'00:03'
'00:04'
'00:00'
'00:01'
'00:02'
'00:03'
'00:04'
I would like to split this into a smaller number of lists whenever '00:00' is encountered since '00:00' is the only ... |
Possible Duplicate:
How do you split a list into evenly sized chunks in Python?
Let us have a list, there is always an even number of ... |
Possible Duplicate:
How do you split a list into evenly sized chunks in Python?
I Have a function like below:
def split_list(self,my_list,num):
...
| I keep thinking there should be a function for this, but I've searched the likely places (google, itertools docs, list methods, other SO questions), but nowhere found quite what I was ... | I know this is a pretty basic question, but I'm new to python and can't figure out how to resolve it.
I have a list:
list = ['element1\t0238.94', 'element2\t2.3904', 'element3\t0139847']
and I want to ... | My problem is I have values in a list. And I want to seperate these values and send them as a seperate parameter.
My code is:
def egg():
return ...
| I am extracting some emails from a CSV file and then saving it to another CSV file.
email variable should be in this format:
email = ['email@email.com'], ['email2@company.com'], ['email3@company2.com']
but in certain cases ... | I'm working with python 2.5.1 .
I have a list ('coll') with 122 values. I want to split it into 15 lists, where the first list will get the first nine ... | I have a list of elements. for each element I want to split into 3 numbers separated by ',' and print them.
My code is not doing what I want. :S
l ...
| | | >>> tmp = [] >>> j = 0 >>> for i in range(3,len(seq), 3): ... tmp.append(seq[j:i]) ... j = i ... >>> tmp [['G', 'C', 'A'], ['C', 'G', 'C'], ['G', 'C', 'T'], ['T', 'C', 'T'], ['C', 'C', 'A'], ['C', 'G', 'G'], ['C', 'A', 'G']] >>> | | Hey guys. How do I split a list in part of three's. For example I have this list: AGATAGTAGATCGTAGTA And it needs to be: AGA TAG TAG ATC GTA GTA Cause I need to count for example how many times AGA is in the list and in the one where it hasnt been splitten I count two times AGA and in ... | import listParser original_list = [ "d.complex.1", 24, 25, 67, 123, 764, "d.complex.2", 23, 54, 35, 64, "d.complex.3", 1, 1 ... | | how do i split a list? for example i want to split a list with the number 0 to 9. i want to group the number 5 and 5, so the result will look like [0, 1, 2, 3, 4] and [5, 6, 7, 8, 9]. I can do this with loops but it feels like overkill. don't python have functions ... | | | |
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