Trending questions in Python

+1 vote
2 answers

Appending data to a file

First open the file that you want ...READ MORE

Jul 23, 2018 in Python by Omkar
 • 69,220 points • 1,312 views
0 votes
1 answer

Difference between del, remove and pop on lists

es, remove removes the first matching value, ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 1,280 views
0 votes
1 answer

Correct way to write line to file?

This should be as simple as: with open('somefile.txt', ...READ MORE

Aug 3, 2018 in Python by Priyaj
 • 58,020 points • 1,134 views
0 votes
1 answer

A basic question about “while true”

while True means loop forever. The while ...READ MORE

Aug 8, 2018 in Python by bug_seeker
 • 15,510 points • 891 views
+1 vote
1 answer

how to convert json to csv or to store in sql

You can convert JSON data to csv ...READ MORE

Jul 2, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 2,412 views
0 votes
1 answer

Add new keys to a dictionary?

>>> d = {'key':'value'} >>> print(d) {'key': ...READ MORE

Aug 13, 2018 in Python by Priyaj
 • 58,020 points • 629 views
0 votes
1 answer

Generate random integers between 0 and 9

Try: from random import randint print(randint(0, 9)) More info: ...READ MORE

Jul 26, 2018 in Python by Priyaj
 • 58,020 points • 1,402 views
0 votes
1 answer

ImportError: No module named requests

Requests is not available for use by ...READ MORE

Jun 26, 2018 in Python by Hamartia's Mask
 • 1,580 points • 2,675 views
0 votes
1 answer

How do I copy a file in python?

Use the shutil module. copyfile(src, dst) Copy the contents ...READ MORE

Jul 31, 2018 in Python by Priyaj
 • 58,020 points • 1,131 views
+1 vote
1 answer

How to replace id with attribute corresponding to id of another table?

Use the following query statement and let ...READ MORE

Aug 8, 2018 in Python by Priyaj
 • 58,020 points • 2,676 views
0 votes
1 answer

What are the differences between type() and is instance()?

Normally, in Python, you want your code ...READ MORE

Aug 6, 2018 in Python by Priyaj
 • 58,020 points • 868 views
0 votes
1 answer

Python: list of lists

Lists are a mutable type - in ...READ MORE

Aug 2, 2018 in Python by bug_seeker
 • 15,510 points • 1,006 views
+2 votes
4 answers

python 2d array

You should make a list of lists, ...READ MORE

Oct 18, 2018 in Python by ritu
 • 1,472 views
0 votes
1 answer

How to split a string into a list?

You can use the function  text.split() This should be ...READ MORE

Jul 30, 2018 in Python by Priyaj
 • 58,020 points • 1,101 views
0 votes
1 answer

What is the purpose of self?

The reason you need to use self. ...READ MORE

Aug 3, 2018 in Python by Priyaj
 • 58,020 points • 926 views
+4 votes
3 answers

What does these operator mean **, ^, %, // ?

** - Performs exponential (power) calculation on ...READ MORE

Apr 12, 2018 in Python by anto.trigg4
 • 3,440 points • 1,604 views
+1 vote
4 answers

How can I concatenate str and int objects?

If you want to concatenate int or ...READ MORE

Oct 18, 2018 in Python by subhm
 • 1,468 views
0 votes
1 answer

Is there a label/goto in Python?

No, Python does not support labels and ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 983 views
0 votes
1 answer

How to read/process command line arguments?

The canonical solution in the standard library ...READ MORE

Aug 8, 2018 in Python by bug_seeker
 • 15,510 points • 677 views
0 votes
1 answer

Python 'If not' syntax

Yes, if bar is not None is ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 974 views
0 votes
1 answer

Reverse a string in Python

How about: >>> 'hello world'[::-1] 'dlrow olleh' This is ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 969 views
+1 vote
2 answers

How to resize the image canvas to maintain a square aspect ratio

down voteacceptedUsing OpenCVYou can use resize() in OpenCV to ...READ MORE

Apr 4, 2018 in Python by charlie_brown
 • 7,720 points
edited Jul 11, 2023 by Khan Sarfaraz • 1,862 views
+1 vote
1 answer

What is the correct order to learn concepts in Python for machine learning?

Machine Learning is a vast domain. It ...READ MORE

Jul 25, 2018 in Python by Abhi
 • 3,720 points • 1,188 views
0 votes
1 answer

What is the Python equivalent for a case/switch statement?

if x == 'a':  # Do the ...READ MORE

Jul 26, 2018 in Python by Priyaj
 • 58,020 points • 1,176 views
0 votes
1 answer

How do I sort a dictionary by value?

It is not possible to sort a ...READ MORE

Jul 30, 2018 in Python by Priyaj
 • 58,020 points • 970 views
0 votes
1 answer

Python join: why is it string.join(list) instead of list.join(string)?

This is because join is a "string" ...READ MORE

Jul 30, 2018 in Python by Priyaj
 • 58,020 points • 963 views
0 votes
1 answer

How to import other Python files?

importlib is recent addition in Python to ...READ MORE

Jul 27, 2018 in Python by Priyaj
 • 58,020 points • 1,087 views
0 votes
1 answer

How to add to the python path in Windows?

You know what has worked for me ...READ MORE

Jul 25, 2018 in Python by Frankie
 • 9,830 points • 1,164 views
+2 votes
2 answers

In a list of dictionaries, how can I find the minimum calue in a common dictionary field.

There are several options. Here is a ...READ MORE

Apr 10, 2018 in Python by charlie_brown
 • 7,720 points • 1,603 views
0 votes
1 answer

How to sort a list of strings?

Try  items = ["live", "like", "code", "cool", "bug"] ...READ MORE

Jul 27, 2018 in Python by Priyaj
 • 58,020 points • 1,049 views
0 votes
1 answer

How to use “raise” keyword in Python

You can use it to raise errors ...READ MORE

Jul 30, 2018 in Python by Priyaj
 • 58,020 points • 912 views
0 votes
2 answers

Splitting a Python String

The split() method in Python returns a ...READ MORE

Oct 3, 2018 in Python by anonymous
 • 798 views
0 votes
1 answer

Python - convert string to list

states.split() will return ['Alaska', 'Alabama', 'Arkansas', 'American', 'Samoa', ...READ MORE

Jul 25, 2018 in Python by Frankie
 • 9,830 points • 1,012 views
0 votes
1 answer

Understanding the map function

map isn't particularly pythonic. I would recommend ...READ MORE

Jul 31, 2018 in Python by Priyaj
 • 58,020 points • 724 views
+1 vote
2 answers

View onto a numpy array?

 just index it as you normally would. ...READ MORE

Oct 18, 2018 in Python by roberto
 • 1,212 views
+1 vote
1 answer

Appending data to a file [closed]

To append a file without overwriting, open ...READ MORE

Aug 7, 2018 in Python by Omkar
 • 69,220 points
edited Aug 7, 2018 by Omkar • 708 views
0 votes
1 answer

How to get the current time in Python

>>> import datetime >>> datetime.datetime.now() datetime(2018, 25, ...READ MORE

Jul 25, 2018 in Python by Frankie
 • 9,830 points • 920 views
+2 votes
2 answers

How can I create a new file in Python?

You can try the below code which ...READ MORE

Mar 31, 2018 in Python by anto.trigg4
 • 3,440 points • 1,580 views
0 votes
1 answer

How do you append to a file?

with open("test.txt", "a") as myfile: myfile.write("appended text ...READ MORE

Jul 27, 2018 in Python by Priyaj
 • 58,020 points • 805 views
0 votes
1 answer

Python - convert string to list

try states.split() this would help. READ MORE

Jul 20, 2018 in Python by Priyaj
 • 58,020 points • 1,090 views
0 votes
1 answer

Best way to create a simple python web service

web.py is probably the simplest web framework ...READ MORE

Jul 20, 2018 in Python by Priyaj
 • 58,020 points • 1,006 views
0 votes
1 answer

Accessing Environment variables

import os print(os.environ['HOME']) READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 987 views
0 votes
1 answer

How to properly ignore Exceptions?

try:  doSomething() except:  pass or try:  doSomething() except Exception: ...READ MORE

Jul 26, 2018 in Python by Priyaj
 • 58,020 points • 718 views
0 votes
1 answer

What is the output of and explanation?

It will print concatenated lists. Output would ...READ MORE

Jul 20, 2018 in Python by Priyaj
 • 58,020 points • 951 views
+2 votes
2 answers

How to use BeatifulSoup for webscraping?

your programme is fine until you start ...READ MORE

Apr 4, 2018 in Python by charlie_brown
 • 7,720 points • 1,325 views
0 votes
1 answer

Python Null Object

Use the 'None' keyword to denote the ...READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 942 views
0 votes
1 answer

*args and **kwargs in python

In cases when we don’t know how ...READ MORE

Jul 20, 2018 in Python by Priyaj
 • 58,020 points • 938 views
0 votes
1 answer

__all__ in python

That is the list of public objects ...READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 894 views
0 votes
1 answer

Connect to a MySQL DB in python?

db = MySQLdb.connect(host="localhost", # ...READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 859 views
0 votes
1 answer

Deleting a list element by index

Use the del() function del a[2] Or you can ...READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 836 views
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