All Questions
476
questions
-2
votes
0
answers
20
views
suggestions on password generator [closed]
I wrote a little password generator code trying it out
just to see if i could figure it out i am writing it to
a file
but it comes out in a progressive fashion im trying to
get
codes of 8 not i, 2, 3, ...
4
votes
4
answers
414
views
A function that uses a regex to parse date and time and returns a datetime object
The code works, but I think can be simplified, I don't know which specific steps, but my version seems to me quite complicated
I build a function that takes a specific string format and returns a <...
- 579
6
votes
3
answers
157
views
Reversing words of a string without using inbuilt functions
I was wondering if I could reverse a string without using collections and in-built functions of string,
Please do add your thoughts on the approach and if possible do share your way of the solution.
<...
- 61
3
votes
1
answer
66
views
SImple Inverted Index
This is a simple inverted index I made.
The goal is to:
Read set of text files from a directory, docs
Tokenize them
Normalize the tokens by removing punctuation ...
- 33
0
votes
1
answer
79
views
Short Text Pre-processing
For educational purpose I am preprocessing multiple short texts containing the description of the symptoms of cars fault.
The text is written by humans and is rich in misspelling, capital letters and ...
- 579
1
vote
3
answers
129
views
2
votes
1
answer
37
views
Optimising function to strip honorifics from names
Problem
I have a list of around ~1000 honorifics, see below for a sample.
Given an input string of a name, for example ...
- 233
3
votes
2
answers
211
views
Add two numbers represented as digit strings
This algorithm adds two numbers digit by digit using their string representations.
I am wondering what the time and space complexities of the following algorithm are. In particular, I am wondering ...
- 501
0
votes
2
answers
65
views
Reversing a Python string using [::-1] [closed]
I'm learning how to reverse list and strings. Is there another way of reversing a string other than using [::-1] method? even if the other method is the long route i would much appreciate it
...
- 331
1
vote
0
answers
61
views
Application for "Good" and "Bad" word checking
This thread is a continue version of Find match words based on a list of words where I now have added Good word dictionary. What I am trying achieve here is that I want to check if a user has a given ...
- 609
2
votes
1
answer
109
views
Improving the speed of one-hot encoding a list of strings
I've recently developed two functions to functions to essentially convert a list of strings that look something like this (these strings are 101 characters long in my case):
...
- 123
1
vote
1
answer
81
views
Encode text to Baudot (teletype) code
After watching Computerphile videos on WW2 cryptography and radioteletype I decided to code a translator to Baudot code. I wonder if it can be somehow improved?
...
2
votes
1
answer
75
views
Remove duplicates from a Pandas dataframe taking into account lowercase letters and accents
I have the following DataFrame in pandas:
code
town
district
suburb
02
Benalmádena
Málaga
Arroyo de la Miel
03
Alicante
Jacarilla
Jacarilla, Correntias Bajas (Jacarilla)
04
Cabrera d'Anoia
...
- 143
3
votes
1
answer
166
views
Applying a cost function to a string based on a pattern string
I have a cost function Cost_Func(pt,STRING) that calculates value in a specific way based on the given pattern string pt and ...
- 133
3
votes
1
answer
207
views
Longest Palindromic Substring | Python Code Giving TLE
Problem Statement
Given a string s , return the longest palindromic substring in s.
Constraints
...
- 138
1
vote
1
answer
258
views
Adding string to a text file without duplicates
I have a function below, store_in_matchid_file, and it adds certain strings to a .txt file as long as that string doesn't already exist in the file. However that ...
- 27
2
votes
1
answer
115
views
Text splitter using Regular Expressions in Python
I have been provided a text splitter class that will take a text input and use re.sub to make replacements when matches are found and also splits sentences up and stores them in a list.
I had an idea ...
- 23
1
vote
2
answers
90
views
Transforming a string by combining same duplicate characters
I'm solving a programming puzzle that requires to transform an input string by replacing pairs of duplicate consecutive characters with an "incremented" character, recursively, e.g. "...
- 586
2
votes
1
answer
141
views
Extract regular words from string but retain all other elements and record their type
This snippet processes every regular (\w+) word in a text and reinserts the processed version:
...
- 1,226
2
votes
1
answer
80
views
follow-up - Checking Nested Bracket Levels in Strings Programming Challenge
A follow-up to this question, this post improves on test case issues.
To restate problem parameters, a given string S is considered closed if it:
Has a matching ...
- 2,947
3
votes
1
answer
569
views
Python function to output a string that is justified to the right
I just solved this exercise from Think Python, 2nd edition:
Python provides a built-in function called len that returns the length of a string, so the value of len('allen') is 5. Write a function ...
- 185
4
votes
1
answer
482
views
Lingo (word-game) guessing strategy
My friend and I are kind of noobs in Python and are looking for ways to improve. We thought it would be cool if we could get some feedback on the following code. It is for a game named "Lingo&...
1
vote
2
answers
117
views
4
votes
1
answer
415
views
String Manipulation: Given two operations on a character 'A', Copy and Paste, find the minimum number of operations to produce a string of length 'N'
I have a solution to the following question which seems straightforward enough. However, I feel as if I am missing something.
The question: Objective: You have given a character ‘A’ which is already ...
- 51
15
votes
5
answers
2k
views
Comma Code, Project from "Automate the Boring Stuff with Python"
I'm a newbie. I'm at Chapter 4 of Automate the Boring Stuff with Python.
Comma Code
Say you have a list value like this:
...
- 150
6
votes
2
answers
175
views
A string separator that doesn't separate if in quotes
The sep function separates string by the characters of seps, but it escapes the separates ...
- 185
10
votes
4
answers
3k
views
First non-repeating Character, with a single loop in Python
I recently tried to solve the first non-repeating character problem. Please tell me if my solution is valid. I'm aiming for O(n) with a single loop.
My thinking is, it would be easy to tell you what ...
- 203
2
votes
1
answer
74
views
4
votes
3
answers
86
views
Pythonic way of removing one word entries from compound list
Assume a multi-line file (myInput.txt) with lines comprising one or more words.
...
6
votes
2
answers
403
views
Flatten JSON to string
The code below is a Python module to flatten JSON-like structure (nested dictionaries and lists) to a single string. It also provides partial result in the form of flat list of strings. This ...
20
votes
6
answers
4k
views
Password validator
I have made a password verification "program" which takes user input and checks whether the password is valid or not. Based on that, a reply is printed.
...
- 303
3
votes
2
answers
2k
views
Separate an email address into its username and domain name
This is my first ever Python program and I wanted to get everyone's opinions on it. The goal of the program is to separate an email address into its username and domain name.
...
3
votes
2
answers
175
views
Parse sequence of characters detecting formatting categories
I am a beginner coder and SonarLint tells me code is too complex. I tried recursion, iterators, slicing but had not luck making this code any simpler.
The code will parse the input string to detect ...
- 43
4
votes
2
answers
151
views
Retrieving top-level opening and closing sequences from a Python string
The problem I'm solving is a more complex version of pairing up opening and closing brackets.
Instead of matching only on ([{}]), I additionally need to match ...
- 198
-1
votes
1
answer
342
views
Finding longest word in a sentence
A problem from Coderbyte. Find the longest word in a sentence after removing the punctuations and if two or more words are of same length return the first word
Below is my solution:
...
- 585
6
votes
3
answers
616
views
Generate random string to match the goal string with minimum iteration and control statements
The following is my python code to find the number of iterations needed to generate random string iteratively to match the input string.
Here I have repeated a similar kind of for loop in both the ...
- 71
2
votes
3
answers
185
views
Convert string format python
I want to fix number of digits after '.' in digit represented by string.
Is there better solution than mine?
My code
...
- 125
2
votes
1
answer
45
views
Input any time, output timezones that are currently that time
I made a program that will take in a time and a weekday, and return which parts of the
world are at times closest to the one specified. Part of the program focuses on extracting a date and country out ...
- 960
3
votes
1
answer
316
views
strstr implementation with python and sets
Please review my strstr implementation in terms of time/space efficiency and overall readability. I am preparing for a coding assessment coming up as I am looking to pivot my career from Physics to ...
- 31
-4
votes
1
answer
83
views
What does %s mean in a python strings? [closed]
I'm not sure what %s means in Python strings. I came across this line of code somewhere a while ago: ...
- 145
5
votes
1
answer
793
views
Capitalizing the first letter of every word in a string (with arbitrary spacing)
I solved the following question
You are asked to ensure that the first and last names of people begin
with a capital letter in their passports. For example, alison heck
should be capitalised ...
- 549
22
votes
6
answers
7k
views
Add 'ing' or 'ly' suffix to a string
I have been practising Python Practice questions and came across this question:
Write a Python program to add 'ing' at the end of a given string
(length should be at least 3).
If the given string ...
- 549
4
votes
1
answer
2k
views
Finding Pattern Score in Python
I saw this problem in C++ on here and decided to try it in Python, which was much simpler. I've used the same problem blurb as in the link above, so they are consistent. I'm sure my code can be ...
- 133
9
votes
1
answer
2k
views
LeetCode on Longest Palindromic Substring in Python
This is a programming question from LeetCode:
Given a string s, return the longest palindromic substring in s.
Example 1:
Input: s = "babad" Output: "bab" Note: "aba" is ...
user5235
7
votes
2
answers
722
views
Number of occurrences of strings in array
This is a Hackerrank problem (https://www.hackerrank.com/challenges/sparse-arrays/problem).
We're given an array of strings and an array of queries, and have to return an array of the number of ...
- 1,139
6
votes
2
answers
3k
views
Python - use a list of names to find exact match in pandas column containing emails
I have an Excel file containing a free-form text column (that sometimes is structured like an email), where I need to find all first and last names and add an extra columns saying TRUE/FALSE to these ...
- 61
2
votes
2
answers
284
views
Exercism: determine if a word or phrase is an isogram
The task:
Determine if a word or phrase is an isogram.
An isogram (also known as a "nonpattern word") is a word or phrase without a repeating letter, however spaces and hyphens are allowed ...
7
votes
2
answers
237
views
Pretty-print dollar amounts using custom precision for large amounts
Given a floating-point number, which is representing a dollar value, I'm aiming to return a rounded, human-readable string. Here are the rules for numbers equal to or greater than 1 million, equal to ...
- 465
-2
votes
1
answer
78
views
Sorting through two dictionaries [closed]
What my code try to do here is to sort items trough 2 dictionaries. If they are similar or the same, I create a new list to append them.
The test file is relatively big, around 2000 data each ...
- 1
5
votes
2
answers
655
views
Dynamic String Alignment Code
My code works for user output alignment to the right side by maximum length of 4 different user input.
I have 2 question.
Is there a simplier way for append method in my code ?
Is there a simplier ...
- 137