All Questions
Tagged with python-itertools string
57 questions
1
vote
6
answers
165
views
nth substring multiplicity using itertools
I am trying to write a function that returns a string with the nth substring replaced by a new substring.
I tried the following:
import re
from itertools import count
text = "...
- 47
-1
votes
3
answers
71
views
Use the replace method to change multiple characters at a time - Python
I'm trying to replace more than one character in a string with the replace function, but I can't figure out how to achieve this.
from itertools import permutations
comb = permutations([1, 2, 3, 4, 5, ...
-2
votes
1
answer
48
views
Combination of words in string in Python without using itertools
Is there any way to get all combination of DYNAMIC string's word without using itertools.
ex:
s = "James is King"
O/P:
James is King
is James King
King is James
King James is
is King Jame
...
1
vote
1
answer
87
views
How do I replace part of string with various combinations in lookup in Python?
I have the following code replacing every element with it's short form in the lookup:
case = ["MY_FIRST_RODEO"]
lookup = {'MY': 'M', 'FIRST': 'FRST', 'RODEO' : 'RD', 'FIRST_RODEO': 'FRD', '...
0
votes
0
answers
54
views
Create all possible combinations of entries from multiple lists
I have different scalar metrics that I need to take inventory of in a large repository of data. The format of one entry for a metric would look something like this:
{a}_{b}_{c}_{d}
# Where ...
- 871
1
vote
1
answer
167
views
Using itertools groupby, create groups of elements, if ANY key is same in each element
Given a list of strings, how to group them if any value is similar?
inputList = ['w', 'd', 'c', 'm', 'w d', 'm c', 'd w', 'c m', 'o', 'p']
desiredOutput = [['d w', 'd', 'w', 'w d',], ['c', 'c m', 'm',...
- 33
0
votes
1
answer
232
views
combine itertools 2 product with specified amount of variables
i am tryin to make a product that has 2 lists with 3 variables each combined into 1 list/product
i am trying to combine 3 letters and 3 numbers so i am using string for those
this is psuedo code
`
...
- 19
1
vote
4
answers
756
views
Print all possible combination of words of length 10 from a list letters with repeating 'A' exactly twice
I have a list of 5 letters ['A', 'B', 'N', 'M','E'].
I want to print all the words (word means a sequence of letters, it doesn't have to be a valid English word) of length 10 letters that have exactly ...
0
votes
2
answers
87
views
Optimizing finding a string that matches the characters in a substring in any order?
Assuming a list as follows:
list_of_strings = ['foo', 'bar', 'soap', 'sseo', 'spaseo', 'oess']
and a sub string
to_find = 'seos'
I would like to find the string(s) in the list_of_strings that:
Have ...
- 2,263
2
votes
2
answers
485
views
python:split a list of strings into multiple lists before a certain value
I have a list as follows,
my_list = ['France, the weather is nice', 'the house is beautiful', 'we have a fresh start here','France, the dinner is amazing', 'the lady is lovely', 'France, the house is ...
- 901
2
votes
2
answers
1k
views
Get all possible string combinations without repetition in python [duplicate]
I want to have all possible combinations of a string without repeating a letter unless it exist more than once. And here some examples to clarify the idea:
"421" --> ["421", &...
2
votes
2
answers
181
views
Permute string by indices
Find all distinct permutations of a string where only certain indices are allowed to be permuted.
e.g string_perms('test_world', [2,3]) --> ['test_world', 'tets_world']
I have an answer but it ...
- 21
2
votes
3
answers
1k
views
Replace numbers with letters and offer all permutations
I need to determine all possible letter combinations of a string that has numbers when converting numbers into possible visually similar letters.
Using the dictionary:
number_appearance = {
'1':...
- 405
1
vote
3
answers
83
views
Return lengths of repeating substring
For a given substring, I need to determine all the lengths, in order, of the repeating chains of that substring in a given string.
Example: for the substring ATT and a string ATTATTATT GGG ATTATT GGG ...
- 111
1
vote
2
answers
816
views
How to generate combination of characters in a string at a particular position?
I have a string list :
li = ['a', 'b', 'c', 'd']
Using the following code in Python, I generated all the possible combination of characters for list li and got a result of 256 strings.
from itertools ...
- 177