Click here to Skip to main content

Submit your article

Python2.7

Python2.7

Great Reads

Building a search engine with Python, Tornado and Strus

by Patrick P. Frey

This tutorial based on a docker image will guide through the development of a search engine service based on Strus and its Python Bindings within the Tornado web-framework.

Python Code Optimizations: Part 3

by Dhruv Singh

Follow the tips below to write more beautiful and idiomatic Python code!

Python String Formatting Using format() Method

by Dhruv Singh

Detailed usage of the newer python format() method for strings

Python Dictionary's get() method

by Dhruv Singh

Python dictionary supports a get() method that helps to look up a key and perform assignment operation in one line of code!

Latest Articles

Detect E-mail Spam Using Python

by Noman BD

Power of Naive Bayes Classification

Building a search engine with Python, Tornado and Strus

by Patrick P. Frey

This tutorial based on a docker image will guide through the development of a search engine service based on Strus and its Python Bindings within the Tornado web-framework.

Getting Started with Microsoft IoT Edge

by MaulikJoshi

Here's how you can get started with Azure IoT edge. Learn how you can integrated SensorTag with IoT edge running on a Raspberry Pi

Python Script to Prettify FIX Protocol Message Logs

by Shao Voon Wong

Python Script to fill FIX Protocol Message Logs with information

All Articles

Python2.7

Building a search engine with Python, Tornado and Strus

20 Oct 2017 by Patrick P. Frey

This tutorial based on a docker image will guide through the development of a search engine service based on Strus and its Python Bindings within the Tornado web-framework.

Python Code Optimizations: Part 3

25 Nov 2015 by Dhruv Singh

Follow the tips below to write more beautiful and idiomatic Python code!

Python String Formatting Using format() Method

30 Sep 2014 by Dhruv Singh

Detailed usage of the newer python format() method for strings

Python Dictionary's get() method

16 Sep 2014 by Dhruv Singh

Python dictionary supports a get() method that helps to look up a key and perform assignment operation in one line of code!

Using SQLite, Leverage the create_aggregate(), and SQL's Between Operator to Create a Normal Probability Distribution Histogram, or What is More Commonly Referred to as a Bell Curve

8 Dec 2016 by rerhart585

Using SQLite, leverage the create_aggregate(), and SQL's Between Operator to create a Normal Probability Distribution Histogram, or what is more commonly referred to as a Bell Curve.

How to reorder dynamic string keys for dictionary to save it to JSON

29 Jan 2019 by Richard MacCutchan

I just ran your code and got the following result: {'item_0': 'apples'} {'item_0': 'apples', 'item_1': 'banana'} {'item_0': 'apples', 'item_1': 'banana', 'item_2': 'oranges'} {'item_0': 'apples', 'item_1': 'banana', 'item_2': 'oranges', 'item_3': 'peaches'} {'item_0': 'apples', 'item_1':...

Python question - beginner

25 Jan 2020 by Richard MacCutchan

Think about the question and what you need to do: 1. Get the word in a, and the key letter in b 2. Set the flag to false 3. Create a loop that will iterate through all the letters of a 3.1. For each letter, compare it to b, and if it is lower, set the flag to true. 3.2. If the flag is now true,...

Write a function that returns the sum of multiples of 3 and 5 between 0 and limit (parameter)

7 Aug 2020 by OriginalGriff

It's pretty simple: 1) Create a function which takes an integer parameter called limit 2) Inside the function: 2.1) Create a variable called sum and set it to zero. 2.2) Run a loop from 0 to limit inclusively. 2.3) Inside the loop: 2.3.1) If...

Use a variable to represent a person’s name

15 Mar 2021 by Richard MacCutchan

The Python Tutorial — Python 3.7.10 documentation[^]

Using Mininet-wifi to Simulate Software-Defined-Wireless-Network

16 Dec 2015 by JinWenQiang

Just a brief introduction of a simulator to build wireless environment

Pls answer it fast write a program to read a five digit number from the user

19 Apr 2016 by AnvilRanger

The answer is No. We will not do your homework for you. That would be a complete disservice to you and your future. Small assignments like this are intended to gauge what you have learned so far. You need to try coding yourself. Once you have done that come back here with any problems and people...

I am getting this error in my code can any one help

31 Oct 2016 by Jochen Arndt

These are not errors but warnings. They tell you that the result of the operation x + y might overflow. Your parameters are of type uint8 (range 0 to 255). When adding two such values the result may be greater than 255 which can't be stored as uint8. Then the result is truncated to 8...

How do I transform this lambda function into def format?

6 May 2018 by Thomas Daniels

def prune(tree): result = [] for branch in tree: if branch != []: result.append(prune(branch)) return result You were almost there; the only step you missed, was adding the elements to a result list.

How to convert a string to list with equal interval in Python ?

15 Nov 2018 by CPallini

x='abcdefghijklmnopqrstuvwx' xlist=[] for i in range(0,len(x),3): xlist.append(x[i:i+3]) print(xlist)

Python. I want to convert value into hex value

5 Dec 2019 by CPallini

the string.decode('hex') method goes in the opposite direction. You should use the hex function[^] instead. There is one caveat, though, to zero-fill it, you have to remove (and restore it afterwards) the leading '0x'. Try length=10; s = '0x' + hex(length)[2:].zfill(2) print(s) [update] Both...

I cant run the program becasue of an error in the inehriting

19 Jun 2020 by Richard MacCutchan

This is the same issue as your previous question at Why the multilevel inheritance doest work ?[^]. You must pass the correct number of parameters to the super class, as clearly stated in the error message. If you do not understand how classes...

How to get the string after the last occurence of split character in Python

6 Oct 2020 by CPallini

Try [ x.split('.')[-1] for x in slist]

I have written the code of my question, but there are still some bugs and I can't figure out how to solve them. Pleaseeee help ! ! 1

6 Oct 2020 by Patrice T

Quote: I have written the code of my question, but there are still some bugs You forgot to explain/describe what are the bugs. When you ask for help, it is a good idea to tell what is your problem. Quote: I can't figure out how to solve them. ...

How do I sort a 2 digit number or string?

13 Apr 2021 by CPallini

The following program (Python 3) s = input() lnum = list(map(int, s.split())) print("Unsorted:", lnum) print("Sorted Ascending Order:") print (sorted(lnum)) print("Sorted Descending Order:") print(sorted(lnum, reverse=True)) executes this...

How do I solve this program

6 Oct 2021 by OriginalGriff

If your code ran at all, it would be more believable, but since it has two syntax errors on the same line ... Change it to this: print (list [element].title()) And it'll actually do something. Not what your teacher wants, but something. ...

Program that generates 20 random numbers (mean, standard deviation)

19 Jul 2022 by OriginalGriff

If you need to use the same numbers - and you do - then generate the randoms numbers and store them in an array: Python Arrays[^] You them modify both the mean and standard deviation code to use the data from the array instead of fetching a new...

Doubt in this program

22 Jul 2022 by Patrice T

Quote: apparently the program works well, but I needed to consider the value 0 also in the for result Try this: for i in range(0,np+1): print("%.1f" % a) a+=(l/np)

Index summation in Python

24 Jul 2022 by Richard MacCutchan

list = [3,0,1,-2] for i in range(1, len(list)): list[i] += list[i - 1] print(list) Produces: python atest.py [3, 3, 4, 2] Python test result: 0

Write a Python program to implement a stack using list (PUSH & POP operation on stack).

19 Jan 2024 by OriginalGriff

I'm feeling generous tonight, so I'll give you a solution: ,>++++++[-],[-]

Schedule to run Python script

20 Sep 2012 by BobJanova

Either the task scheduler is running it as a user which doesn't have the permissions it needs, or it is running it without setting the environment variables that Python needs to execute correctly.If you have your batch script runpython script.py >log.txt... then you should get a log...

Which is the best tool for wireframing?

12 Jul 2013 by Prasad Khandekar

Hello Jyothi,Please have a look at this[^] link. My personal favorite is Balsamiq Mockups.Regards,

I'm using a for loop to read a file, but I only want to read specific lines in python

10 Mar 2014 by Matt T Heffron

Like Sergey said, you'll have to read all of the lines, at least until you've read what you wanted.However, you can use Linq to make it pretty easy:List myLineNumbers = new List{26, 30}; // 0-based line numbers!!!IEnumerable justMyLines =...

How to pass arguments on different method from C# to python?

28 Nov 2014 by DamithSL

you may need space after script2.pyp.StartInfo.Arguments = "script2.py " + digitTb.text;// start the python program with two parametersand also add few validations string[] words = q.Split('.');if(words.Length>0) pTb.Text = words[0];if(words.Length>1) qTb.Text =...

How to get rid of None in Python

10 Mar 2015 by Richard MacCutchan

The issue is down to the hidden return value from a Python function. If a function does not include a return statement, then it automatically adds one, and returns the value None, as described in https://docs.python.org/3.3/reference/simple_stmts.html#index-21[^]. So your print statement calls...

Any Python Framework For Software Development?

9 Sep 2015 by Sergey Alexandrovich Kryukov

It would be Iron Python: https://en.wikipedia.org/wiki/IronPython[^],http://ironpython.net/[^].Of course, "like the same" is wrong formulation, but what you are looking for is really Iron Python. The idea that you have to look at some "framework" is also wrong, because you are really...

How Can I Get A List From A User And Print Is As A Dictionary?

11 Jan 2016 by Patrice T

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, you may find it...

How do I extract substring from string?

18 Jan 2016 by Richard MacCutchan

You should not treat XML in this way, use a proper XML parser such as 20.6. xml.dom — The Document Object Model API — Python 3.3.6 documentation[^].

How do I make a program that creates a code that can translate a binary code to set letters?

29 Jan 2016 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, you may find it...

How do I write logs in a file?

3 Feb 2016 by Richard MacCutchan

If HTTPConnection does not have a defined method to write to a file, then you would need to redirect stdout, as described in Redirecting all kinds of stdout in Python - Eli Bendersky's website[^].

How can i use grib2 files with python?

13 Feb 2016 by Richard MacCutchan

You searched far and wide, so how is it you did not manage grib2 python - Google Search[^]?

How do i debug this code of the 'typeerror: 'int' object is not callable' error in python?

15 Feb 2016 by Richard Deeming

You're missing a multiplication operator:s = ((n * (n + 1)) / 2) ** 2

[Python/PYGAME ERROR] pygame binascii.error: incorrect padding

20 May 2016 by Richard MacCutchan

See binascii.Error: Incorrect padding - Google Search[^].

Make a user interface

28 Jul 2016 by Richard MacCutchan

You mention Java, Python and Android studio, so it is unclear what platform or language you are trying to use. If it is Java then see Creating a GUI With JFC/Swing[^]. Google will find you similar pages for other languages.

Write a Python program to find the sum of the series:- X - X**2/2! + X**3/3! - X**4/4! + X**5/5! - X**6/6!

6 Sep 2016 by Richard MacCutchan

You declare X (upper case) in line 1, but you later refer to x (lower case), which does not exist.The lineFact = Fact*1does not do anything useful.I also suspect the last line of your code should be indented the same as the previous line.

Equivalent C#/VB.NET console from Python script

26 Sep 2016 by ZurdoDev

No one is going to translate it all for you. I am also not aware of a translator that could do it which means you have to understand how it works and then re-write it. There is no magic bullet that will do the work for you.Once you understand how it works in Python then you can google for...

How to embedd Python in a C application

1 Jan 2017 by OriginalGriff

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...A very quick search using your subject as the search term gave nearly seven million hits: How to embedd Python in a C application - Google Search[^] In future, please...

How to embedd Python in a C application

1 Jan 2017 by Afzaal Ahmad Zeeshan

For any startup code you need to at least Google your problem once. If you had, you could have found this detailed article on CodeProject, Embedding Python program in a C/C++ code[^]. Even a simple code would be, to write a Python script and then execute that using Python interpreter,...

Why for loops are taking to much time to execute in following program

25 Jan 2017 by Jochen Arndt

You should try to optimise the Java code.The best optimisation can be achieved by avoiding dynamic object creation inside loops.An example:# PHPif w: if w[0] == ''// Javaif(w.length()>0){ if(w.substring(0, 1).equals("

How do I can solve the problem coins on a star

6 Apr 2017 by CHill60

"How do I can solve the problem coins on a star" ... Firstly you do some research: Google[^] From the 2nd link on that search I learn that the problem can be solved using the "greedy strategy" or the "buttons and strings" method. Then I can find all sorts of information on the Greedy Strategy...

Which one is better append() or extend() or += in Python

4 Aug 2017 by Thomas Daniels

There is no "better", because they have different purposes: .append adds a single element to the list. .extend is like append but for multiple elements: it takes a list as argument. a += [3, 5] is short-hand for a = a + [3, 5] and this does the same as extend, but the difference is that the +...

Problem with Python script

9 Aug 2017 by Richard MacCutchan

Try: def iptest(element): a = element.split('.') if len(a) != 4: return False for x in a: if not x.isdigit() or x == '': return False i = int(x) if i 255: return False return True

How do I write code for it

16 Sep 2017 by OriginalGriff

Read your homework question again. You need to read in lines of text, and store them until you get the blank line to end the input. After that, you need to have two loops to print that output back: first print the last N / 2 lines, then print the first N / 2 lines. This isn't complicated if you...

Help me speed up my Python code/algorithm

29 Dec 2017 by Patrice T

General answer: when you think performance; optimization, speed up ... The first thing to do is to think profiler. 26.4. The Python Profilers — Python 2.7.14 documentation[^] python - How can you profile a script? - Stack Overflow[^] The profiler is a tool that will show you the time spend in...

A question about education withing programming

23 Jan 2018 by Jochen Arndt

Check some job advertisements. They usually list the requirements. Here in Germany diploma are required for governmental jobs but companies often have a term like "... or similar qualification" which can be references from previous employers or published code. If an ad provides direct...

Why does it display blank instead of a string which I have given, in Python v.3?

27 Jan 2018 by Thomas Daniels

Both newjoke and the code in the while loop will ask "Did you find that funny?". So, what you see is the question getting repeated because after newjoke get called, you'll go back to the beginning of the while loop. This gives the impression of displaying a blank joke, but you just didn't hit...

Why is there an indent, in python3?

27 Jan 2018 by Thomas Daniels

print("\nWell what about this:\n\n",joke) print("a", "b") will print a b with a space in-between. That's what's happening here too: it prints the "What about this" with the newlines, then a space, then the joke. Try this instead: print("\nWell what about this:\n\n" + joke)

Python text based rpg (code working in 3.6 but not in 2.7.8)

1 Feb 2018 by Thomas Daniels

Add a staticmethod decorator: class Dice: @staticmethod def die(num): die=randint(1,num) return die The reason for the error: Python 2 requires the first argument to be an instance of the class itself; in Python 3 it can be anything. [Edit] Changing that alone won't...

How may I shorten this code? (Python 3.3)

11 Feb 2018 by Patrice T

No shorter, but may be debugged: if guess4== code[0]: wronPlace= (wronPlace+1) if guess3== code[1]: wronPlace= (wronPlace+1) if guess3== code[2]: wronPlace= (wronPlace+1) Are you sure about the guess3 in this part? [Update] Quote: Guess1 Guess2 Guess3 and Guess4 are the four...

How do I complete this piece of code?

12 Feb 2018 by Patrice T

Your first problem is that if guess1== code[1] or code[2] or code[3]: is not python. correction is if guess1== code[1] or guess1== code[2] or guess1== code[3]: Your problem is that an element of code can match a guess more than once. You have to device an algorithm that prevent it to from...

How can I change this code in order for it to function logically?

20 Feb 2018 by Patrice T

Looks like you have donne a step in right direction, but it is still more complicated. When a guess match a code in correct position, you have to make sure the same guess will not be checked for wrong position and that same code will not be checked for wrong position either. And when a guess...

How can I change this code in order for it to function logically?

16 Feb 2018 by Richard MacCutchan

Create a list that contains the answer. Loop1: Compare each digit of the guess with each digit of the list. For each point in the answer where the digits match do: Remove the digit from the list, and the guess, or replace them with some other character Add 1 to the "right...

How to read the serial port name from text box (editable)in Python?

7 Mar 2018 by Jochen Arndt

The pySerial port property is a Python string but the PyQt QLineEdit text() functions returns a QString object. So you have to use a conversion method or function. I don't know for sure which conversion must or can be used here because I don't know Python well. But you can try the QString...

How do I print the highest of an inputted value from an array, which has the same highest value? In Python

18 Mar 2018 by Richard MacCutchan

Your formatting leaves much to be desired. However, you can simplify things by checking the values as you go through the initial loop, like this: flavours = ["Vanilla", "Chocolate", "Mint Choc Chip", "Rosewater", "Strawberry", "Mango", "Frutti Tutti", "Fudge Brownie", "Bubblegum",...

How can I change this code in order for it to function logically?

3 Apr 2018 by Auro.brze

You don't really need 2 for loops. Try this: from collections import Counter def main(): answers = [3, 3, 4, 4] guesses = [3, 5, 6, 4] answers_counter = Counter(answers) guesses_counter = Counter(guesses) diff_counter = answers_counter - guesses_counter ...

Building a trading desktop client

13 Jul 2018 by OriginalGriff

We all are: 1) Overview 2) Sepecification 3) Design 4) Implementation 5) Test 6) Release With looping back to any previous stage as a result at any time. But ... it's a big project, akin to saying "does anyone know how to build a bridge across the Bering Strait?" If you have to ask "do do I...

Count the number of iteration in Python

17 Sep 2018 by Richard MacCutchan

counter = 0 while 1: passwd = ''.join(random.sample(sbc,passlen)) if passwd == 'abc': print('password matched') break print(passwd, "does not match") counter += 1 print(counter, "iterations")

Enter two string and find the sum of the number present in both the string using Python

23 Sep 2018 by CPallini

Try a=list(input("enter a string ")) b=list(input("enter another string ")) c=a+b print(c) d=0 for i in range (0,len(c)): ch = c[i] if ch >='0' and ch

Python to C/C++ conversion

17 Oct 2018 by CPallini

C++ is quite expressive: #include #include #include using namespace std; vector readinput() { size_t n; cin >> n; vector v(n); for (auto & x : v) cin >> x; return v; } vector solve(const vector & inseq) { auto size =...

How do I solve this error axiserror: axis 1 is out of bounds for array of dimension 1

20 Nov 2018 by Richard MacCutchan

You only have 1 item in your array, as noted in the error message. Array elements are addressed starting at zero.

Write a recursive function to print first N even number using Python

17 Dec 2018 by CPallini

You know, a recursive function calls itself until a stop condition is met. so, in your case you need a function that: Checks the stop condition (all numbers printed out) and returns if it is met. Prints the current number. Calls itself with an incremented argument in order to print the next...

Urgent help needed for coding assessment

6 Nov 2019 by OriginalGriff

We are more than willing to help those that are stuck: but that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us to do it all for you. So we need you to do the...

How do I print right hand side value in Python

6 Jan 2020 by Christian Graus

It doesn't work this way. You'd have to do print("x"). no language tracks which variable another variable was set with, unless it's a reference variable and they are both the same object

How do I print right hand side value in Python

7 Jan 2020 by Richard MacCutchan

Short answer: you don't. In the code what actually happens is: x = 5 # variable x now contains the value 5 y = x # variable y now contains a copy of variable x, that is the value 5 print(y) # prints whatever value is in y

Python snowboy issue

28 Feb 2020 by Richard MacCutchan

First suggestion is that you should please explain what the problem is. My second is that you go to The Python Tutorial — Python 3.7.6 documentation[^] and work through it a few times. Some actual solid study now will pay dividends in the future.

artificial-intelligence

Python: fetching data from the backend and matching date field

18 Apr 2020 by MadMyche

2 very common problems are here. The first is that your code is vulnerable to SQL Injection. You should NEVER EVER create an SQL query by piecing command strings and user data together. If you slip in a few special characters you can easily open...

In chefland, each citizen has their own personal string. Chef is no exception. Recently, his string broke and he went to a shop to get a new one.

8 May 2020 by Richard MacCutchan

Quote: I'm not getting it how to proceed it can u plz help to code full programme Sorry, no. This site is not here to do your homework for you. We do not do it as it would be no help in furthering your education or career. If you rely on other...

In chefland, each citizen has their own personal string. Chef is no exception. Recently, his string broke and he went to a shop to get a new one.

8 May 2020 by Patrice T

It is a good idea to give link when refering to a chalenge: https://www.codechef.com/MAY20A/problems/TWOSTRS[^] Quote: I'm not getting it how to proceed it can u plz help to code full programme Solve the example by hand, using brute force, see...

I cant run the program becasue of an error in the inehriting

19 Jun 2020 by markkuk

I think you don't really understand what "inheritance" in object-oriented programming means (it's not a way to describe family trees). Inheritance describes an "is-a" relationship between the subclass and parent class. In your code the class...

A C/C++ (or other language) program that takes as inputs the file 3d.txt and the file 2d.txt

22 Jun 2020 by OriginalGriff

When this question was posted - by you - yesterday, you were told that we don;t do your homework: A C/C++ (or other language) program that takes as inputs the file 3d.txt and the file 2d.txt[^] That hasn't changed: We are more than willing to...

How do I let it gives me the right output despit changing the order of parameters in the line 12

9 Jul 2020 by Richard MacCutchan

Of course it does, as you are passing parameters by position and not by name. So if you reverse the order in line 12 then they will be reversed when they are received by c1's constructor. If you want the values to be referred to by name then your...

Which loop is nested inside the another ?

11 Jul 2020 by OriginalGriff

Apart for not compiling as is, so the code sample you show won't work, give it a try: replace the "if" with a print statement and show the values of i and j. Whichever goes up first is the inner loop.

Which loop is nested inside the another ?

11 Jul 2020 by Richard MacCutchan

Using a simple example we get the equivalent shown here: x = [ 2, 3, 4, 7, 11 ] z = [j for i in x for j in range(len(x)) if i == x[j]] print(z) # which is the same as zzz = [] for i in x: for j in range(len(x)): ...

I am building a Python program to modify request inside a packet but I am getting layer TCP not found error in netfilterqueue.global_callback ignored error. Why this error is coming?

13 Jul 2020 by Member 14888563

hi I would change your if statement to: if scapy.Raw in scapy_packet and scapy.TCP in scapy_packet: instead of: if scapy_packet.haslayer(scapy.Raw):

Can someone explain me this code and desired output?

23 Jul 2020 by Sandeep Mewara

Output of above: ('before calling rohan', 20) ('after calling rohan', 20) 88 Execution sequence: 1. harry() called 2. print("before calling rohan",x) => x=local x value that is not modified so far => 20 3. rohan() called => updates global x...

Need help with Python test problem

30 Jul 2020 by CPallini

You find the target in picture, at {i,j} (with i and j in the [0..5] range) if (and only if) target[k][l] == picture[i+k][j+l] is True for every k=0,..,2 and l=0,..,2 It is not a difficult algorithm to implement.

Railway station - given schedule of trains and their stoppage time at a railway station, find minimum number of platforms needed.

8 Aug 2020 by Sandeep Mewara

Okay, so if read the requirement here: Quote: Given schedule of trains and their stoppage time at a Railway Station, find minimum number of platforms needed what is expected or would help here is to find maximum trains present at a given point...

Railway station - given schedule of trains and their stoppage time at a railway station, find minimum number of platforms needed.

8 Aug 2020 by Patrice T

When posting a question about a challenge from a site, it is a good idea to post a link to the page, as every word in requirement can matters. Quote: i want full solution And I want to win lottery grand price. Quote: well i try to write some...

Invalid systanx in line 8, function call in Python

11 Aug 2020 by OriginalGriff

Spacing is important! Change: if__name__ == '__main__': To if __name__ == '__main__':

I need to solve the question (below), but as I am writing its function it is not working. I can't figure out why.

6 Oct 2020 by Richard MacCutchan

What is this supposed to be for: char = 'extra'? All you need is def remove_chars(word, char_list): # returns str with characters in same order as in word # except the ones in char_list for char in word: if char in...

I need to solve the question (below), but as I am writing its function it is not working. I can't figure out why.

6 Oct 2020 by Patrice T

Quote: as I am writing its function it is not working. I can't figure out why. I would start by simplifying the code to: def remove_chars(word, char_list): # returns str with characters in same order as in word # except the ones in...

How do I understand how the following code works?

29 Oct 2020 by CPallini

The above code finds the maximum value in the container: In the loop, each time x is found less then an item, its value is set equal to the one of the item itself.

How to order the values in dictionaries in Python

27 Mar 2021 by Richard MacCutchan

var={'rank':[2,4,1,3]} var['rank']=sorted(var['rank']) See 5. Data Structures — Python 2.7.18 documentation[^].

How to create new key in dictionary depends on old key in Python

29 Mar 2021 by Richard MacCutchan

di={'name':['a','b','c'],'sex'...

Whats the problem with this coding, did data problem or this code?

22 Apr 2021 by OriginalGriff

We don't know - we can't run your code in isolation, and we have no access to your data. So, it's going to be up to you. Fortunately, you have a tool available to you which will help you find out what is going on: the debugger. How you use it...

How to keep alive a thread until its function is complete in Python?

20 Jul 2021 by Richard MacCutchan

You need to ensure that the main thread of your program does not terminate while child threads are active. See threading — Thread-based parallelism — Python 3.9.6 documentation[^]. [edit] Note also that trying to run 400 threads together will...

multi-threading

Failed to load resource: the server responded with a status of 404 (not found)

5 Oct 2021 by Afzaal Ahmad Zeeshan

I guess you have used a template file and it is trying to load the Bootstrap from your local machine, that's why it has the following error: 1.Failed to load resource: the server responded with a status of 404 (Not Found) popper.min.js:1 To fix...

How to omit new line in print section?

8 Dec 2021 by Richard MacCutchan

You need to use the string replace function to replace the newline with nothing: soup_ExeName = soup_ExeName.replace("\n", "")

Hello everyone I am new in Python programming. Kindly help me solve the Python code below.

5 Apr 2022 by Richard MacCutchan

Quote: i tried getting a solution to it after working through www.w3schools.com How about doing what you are supposed to do, and actually think about the problem. If the current number is greater than the existing maximum then how would you...

Hello everyone I am new in Python programming. Kindly help me solve the Python code below.

5 Apr 2022 by CPallini

With 4 possible answers even an experimental brute force approach would work. The function should return the maximum number. Now, if the current maximum max_num is smaller than num is it still the maximum? Should it be updated? Which is a good...

Program that generates 20 random numbers (mean, standard deviation)

19 Jul 2022 by CPallini

Note: your computation of the average is NOT correct: for i in range(0, 6): soma += sorteio() extracts (and sums up) 6 values, while media = soma / 5 divides by 5. Anyway, as already suggested by Griff, consider rearranging your code for...

Simple problem apparently involving lists

26 Jul 2022 by OriginalGriff

Use the zip function[^]: final_list = [sum(value) for value in zip(lst, lst1)]

I want to import an image in Python but I can't solve the error I work on pycharm

26 Sep 2022 by CPallini

Quote: img = cv2.cvColor(img, cv2.COLOR_BGR2RGB) Mistyping error ('t' missing): The method name is cvtColor, see Python OpenCV | cv2.cvtColor() method - GeeksforGeeks[^].

How do I understand functions of greater than> in continue loop?

18 Oct 2022 by OriginalGriff

Simple: if the condition is true, the continue statement is executed, and The rest of the loop body is not executed - the loop immediately goes round for another iteration on the next item in the collection.

How to add date and time in tkinter window?

16 Feb 2023 by Richard MacCutchan

You get date and time information via datetime — Basic date and time types — Python 3.11.2 documentation[^].

Error closing main tkinter window with destroy()

6 Aug 2023 by Richard MacCutchan

Similar issues to your previous question on this subject. The object named root belongs to the AplicacionInventario class. When you call Login(self) the login object is created, but the attribute named root is not passed over to it, hence the...