Latest questions in Python

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Python list error: [::-1] step on [:-1] slice

I thought I understood the basics of ...READ MORE

Dec 20, 2022 in Python by erzan
 • 630 points • 168 views
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How can I find the first occurrence of a sub-string in a python string?

I'd like to locate the first index ...READ MORE

Nov 24, 2022 in Python by sarit
 • 1,830 points • 360 views
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How to check whether a variable is a class or not?

I was wondering how to check whether ...READ MORE

Nov 24, 2022 in Python by sarit
 • 1,830 points • 254 views
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Repeating triangle pattern in Python

Depending on the integer input, I need ...READ MORE

Nov 24, 2022 in Python by sarit
 • 1,830 points • 299 views
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Is it possible to get a list of keywords in Python?

I want to obtain a string list ...READ MORE

Nov 24, 2022 in Python by sarit
 • 1,830 points • 302 views
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'for' loop in one line in Python

When I tried to use a for statement in ...READ MORE

Nov 24, 2022 in Python by sarit
 • 1,830 points • 396 views
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Object Oriented Python for area of triangle

Write a Python Program(with class concepts) to ...READ MORE

Nov 22, 2022 in Python by sarit
 • 1,830 points • 738 views
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How do you move tree with ignore patterns in python

with the shutil.copytree I can copy an ...READ MORE

Nov 22, 2022 in Python by sarit
 • 1,830 points • 702 views
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python reverse phone lookup with twilio

I've been trying to figure out how ...READ MORE

Nov 22, 2022 in Python by sarit
 • 1,830 points • 407 views
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How can I "count from the back" in python lists?

Say I have a list l = ['P','y','t','h','o','n'] I ...READ MORE

Nov 22, 2022 in Python by sarit
 • 1,830 points • 210 views
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Visualize the full chess board from the library python-chess on line command

I am working a chess game based ...READ MORE

Nov 22, 2022 in Python by sarit
 • 1,830 points • 877 views
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Python list error: step on slice with [:-1]

I believed I was familiar with the ...READ MORE

Nov 17, 2022 in Python by Samuel
 • 460 points • 397 views
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In Python, how do I declare an array?

In Python, how do I declare an ...READ MORE

Nov 17, 2022 in Python by Samuel
 • 460 points • 390 views
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Random word generator in Python

I'm essentially working on a project where ...READ MORE

Nov 17, 2022 in Python by Samuel
 • 460 points • 932 views
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In Python, what does a "r" mean before a string?

In Python, what does a "r" mean ...READ MORE

Nov 17, 2022 in Python by Samuel
 • 460 points • 209 views
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What is the primary language used to create Python?

What is the primary language used to ...READ MORE

Nov 17, 2022 in Python by Samuel
 • 460 points • 231 views
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How to define a two-dimensional array?

The following is how I want to d ...READ MORE

Nov 17, 2022 in Python by Ashwini
 • 5,430 points • 214 views
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Concatenating two one-dimensional NumPy arrays

How do I concatenate two one-dimensional arrays ...READ MORE

Nov 16, 2022 in Python by Ashwini
 • 5,430 points • 428 views
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What does an 'r' represent before a string in python?

Why do we put a r before ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 480 views
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Base language of Python

What is the base language is Python ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 393 views
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What is the meaning of "int(a[::-1])" in Python? [duplicate]

I don't get this at all. In ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 350 views
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Reverse a string in Python

The str object in Python doesn't have ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 307 views
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Replacements for switch statement in Python?

I want to create a Python function ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 367 views
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Does "IndexError: list index out of range" when trying to access the N'th item mean that my list has less than N items?

I'm instructing my software to print out ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 372 views
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How do I reverse a list or loop over it backwards?

How can I perform a Python reverse ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 212 views
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'str' object has no attribute 'decode'. Python 3 error?

'decode' is not an attribute of the ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 388 views
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How can I convert a list to a string using Python?

How can I convert a list to ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 368 views
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'python' is not recognized as an internal or external command [duplicate]

I recently got Python Version 2.7.5, and ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 428 views
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Does Python have a ternary conditional operator?

Is there a ternary conditional operator in Python? READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 301 views
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How do I sort a dictionary by value?

I have some dictionary of values that ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 303 views
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Error: 'int' object is not subscriptable - Python

I was experimenting with a straightforward piece ...READ MORE

Sep 21, 2022 in Python by Samuel
 • 460 points • 762 views
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Initialising an array of fixed size in Python

I want to declare an array or ...READ MORE

Aug 11, 2022 in Python by krishna
 • 2,820 points • 1,025 views
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What are the differences between numpy arrays and matrices? Which one should I use?

What are each's advantages and drawbacks? I've noticed ...READ MORE

Aug 8, 2022 in Python by krishna
 • 2,820 points • 439 views
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Addition/subtraction of integers and integer-arrays with Timestamp is no longer supported. Instead of adding/subtracting `n`, use `n * obj.freq`

I am trying to gather google trends ...READ MORE

Aug 8, 2022 in Python by krishna
 • 2,820 points • 2,424 views
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Flattening a list of NumPy arrays?

I have data in a list type ...READ MORE

Aug 5, 2022 in Python by krishna
 • 2,820 points • 824 views
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Sorting arrays in NumPy by column

How can I sort a numpy array ...READ MORE

Aug 2, 2022 in Python by krishna
 • 2,820 points • 363 views
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Java : Sort integer array without using Arrays.sort()

I have this assignment- Write java program ...READ MORE

Aug 2, 2022 in Python by krishna
 • 2,820 points • 1,801 views
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matrix multiplication of arrays in python

I am having trouble finding a solution ...READ MORE

Aug 2, 2022 in Python by krishna
 • 2,820 points • 551 views
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Combined mean and standard deviation from a collection of NumPy arrays of different shapes

Consider that I have a numpy array ...READ MORE

Aug 2, 2022 in Python by krishna
 • 2,820 points • 562 views
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Concatenate two numpy arrays in the 4th dimension

I got two numpy arrays in three ...READ MORE

Aug 1, 2022 in Python by krishna
 • 2,820 points • 303 views
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Python numpy array of numpy arrays

I have a requirement. I need to ...READ MORE

Aug 1, 2022 in Python by krishna
 • 2,820 points • 307 views
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How to prettyprint a JSON file?

May 27, 2022 in Python by Kichu
 • 19,050 points • 284 views
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pip3: command not found but python3-pip is already installed

I am not able to use  pip3 ...READ MORE

May 27, 2022 in Python by Kichu
 • 19,050 points • 3,645 views
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Extract a page from a pdf as a jpeg

How can I  save a certain page ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 223 views
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How do I access environment variables in Python?

May 26, 2022 in Python by Kichu
 • 19,050 points • 570 views
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Python - TypeError: Object of type 'int64' is not JSON serializable

My data frame has store names and ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 2,180 views
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0 answers

Find the minimum strength someone must have in the beginning so that he can cross N cells (Interview question)

Problem Statement: Mustafa wants to cross a dungeon. ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 1,902 views
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0 answers

how to merge two data frames based on particular column in pandas python?

I want to  merge two data frames: df1 company,standard tata,A1 cts,A2 dell,A3 df2 company,return tata,71 dell,78 cts,27 hcl,23 I ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 244 views
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memory error in python

I am working on a  program that ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 535 views
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How can I install XGBoost package in python on Windows

I am using windows 64bit os and ...READ MORE

May 26, 2022 in Python by Kichu
 • 19,050 points • 252 views
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