Trending questions in Python

+2 votes
1 answer

How do you make a block comment in python?

''' This is a multiline comment. I ...READ MORE

Aug 23, 2018 in Python by Priyaj
 • 58,090 points • 753 views
0 votes
1 answer

Pointers in Python?

I want form.data['field'] and form.field.value to always have the same value This ...READ MORE

Aug 20, 2018 in Python by charlie_brown
 • 7,720 points • 893 views
0 votes
1 answer

What's the canonical way to check for type in Python?

To check if o is an instance ...READ MORE

Aug 24, 2018 in Python by Priyaj
 • 58,090 points • 703 views
0 votes
1 answer

How do I know what's going to be deleted?

An easy system would be to add ...READ MORE

Aug 28, 2018 in Python by anonymous
 • 553 views
+1 vote
1 answer

Reading a large file, line by line in Python

The correct, fully Pythonic way to read ...READ MORE

Aug 21, 2018 in Python by Priyaj
 • 58,090 points • 720 views
0 votes
1 answer

Creating an empty list in Python

Here is how you can test which ...READ MORE

Aug 17, 2018 in Python by Priyaj
 • 58,090 points • 904 views
+1 vote
1 answer

Accessing the index in 'for' loops?

Using an additional state variable, such as ...READ MORE

Aug 28, 2018 in Python by Priyaj
 • 58,090 points • 390 views
+1 vote
1 answer

Understanding Pickling in Python

While others have pointed to the Python ...READ MORE

Aug 22, 2018 in Python by Priyaj
 • 58,090 points • 623 views
0 votes
1 answer

What does eval() in Python do?

The eval function lets a Python program ...READ MORE

Aug 24, 2018 in Python by Priyaj
 • 58,090 points • 546 views
+4 votes
6 answers

Does Python have a ternary conditional operator like C does?

Yes, the syntax is: a if condition else ...READ MORE

Apr 13, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,962 views
+1 vote
1 answer

Zip lists in Python

zip takes a bunch of lists likes a: ...READ MORE

Aug 22, 2018 in Python by Priyaj
 • 58,090 points • 546 views
0 votes
1 answer

Python variable declaration

Okay, first things first. There is no such ...READ MORE

Aug 27, 2018 in Python by Priyaj
 • 58,090 points • 365 views
+1 vote
2 answers

How to convert list to string

mylist = [1, 2, 3] ‘’.join(map(str, mylist)) ==> ...READ MORE

Aug 21, 2018 in Python by Omkar
 • 69,210 points • 708 views
0 votes
1 answer

What does if __name__ == “__main__”: do?

According to what I know,  When the Python ...READ MORE

Jul 30, 2018 in Python by Priyaj
 • 58,090 points • 1,549 views
0 votes
1 answer

Python using basicConfig method to log to console and file

I can't reproduce it on Python 3.3. ...READ MORE

Aug 14, 2018 in Python by aryya
 • 7,450 points • 884 views
0 votes
1 answer

Python string formatting: % vs. .format

To answer your first question... .format just ...READ MORE

Aug 17, 2018 in Python by Priyaj
 • 58,090 points • 750 views
0 votes
1 answer

How random.seed(): is used in python?

Pseudo-random number generators work by performing some ...READ MORE

Aug 24, 2018 in Python by Priyaj
 • 58,090 points • 437 views
+1 vote
1 answer

How do I trim whitespace?

Whitespace on both sides: s = " \t ...READ MORE

Aug 20, 2018 in Python by Priyaj
 • 58,090 points • 462 views
0 votes
1 answer

How do you express binary literals in Python?

For reference—future Python possibilities: Starting with Python 2.6 you ...READ MORE

Aug 14, 2018 in Python by aryya
 • 7,450 points • 736 views
0 votes
1 answer

Whenever you exit Python, is all memory de-allocated?

The answer here is no. The modules ...READ MORE

Jul 20, 2018 in Python by Priyaj
 • 58,090 points • 1,737 views
+1 vote
5 answers

Check whether the file exists or not?

Use this import os os.path.exists(path) # Returns whether the ...READ MORE

Oct 18, 2018 in Python by reyam
 • 1,614 views
+4 votes
8 answers

How can I use Python's range function?

The range function is mostly used in for-loop.  Ex: for ...READ MORE

Aug 21, 2018 in Python by Omkar
 • 69,210 points • 1,705 views
0 votes
1 answer

Printing a large numpy array

numpy.set_printoptions(threshold='nan') READ MORE

Jul 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,550 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
 • 58,090 points • 878 views
0 votes
1 answer

How to use string.replace() in python 3.x

replace() is a method of <class 'str'> ...READ MORE

Aug 3, 2018 in Python by Priyaj
 • 58,090 points • 875 views
+1 vote
4 answers

Comparing input functions

In Python raw_input() allows you to enter ...READ MORE

Oct 18, 2018 in Python by fuji
 • 1,395 views
+1 vote
2 answers

Multiple line comment in Python

Try this ''' This is a multiline comment. ...READ MORE

Jul 31, 2018 in Python by Priyaj
 • 58,090 points • 786 views
0 votes
1 answer

When to use %r instead of %s in Python? [duplicate]

The %s specifier converts the object using ...READ MORE

Aug 2, 2018 in Python by bug_seeker
 • 15,520 points • 867 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
 • 58,090 points • 384 views
+1 vote
5 answers

convert string to int python

Using list comprehensions: t2 = [map(int, list(l)) for ...READ MORE

Oct 18, 2018 in Python by donald
 • 1,319 views
+1 vote
2 answers

Static methods in Python?

Static methods are used when we need ...READ MORE

Aug 4, 2018 in Python by Ronaldobessmin
 • 160 points
edited Aug 4, 2018 by Vardhan • 727 views
0 votes
1 answer

How to get text label from SAP using pywinauto[python]

Hi. Can you please tell me what ...READ MORE

Jun 28, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 2,336 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
 • 58,090 points • 810 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
 • 15,520 points • 494 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
 • 58,090 points • 1,045 views
+2 votes
6 answers

Slicing in Python

Index: ------------> ...READ MORE

Oct 18, 2018 in Python by abc
 • 1,184 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 • 1,995 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 • 2,274 views
+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
 • 69,210 points • 731 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
 • 58,090 points • 749 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
 • 15,520 points • 368 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
 • 58,090 points • 420 views
+4 votes
6 answers

Use of "continue" in python

The break statement is used to "break" ...READ MORE

Jul 16, 2018 in Python by Omkar
 • 69,210 points • 1,229 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
 • 58,090 points • 608 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
 • 58,090 points • 507 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
 • 58,090 points • 673 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
 • 58,090 points • 581 views
+2 votes
4 answers

python 2d array

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

Oct 18, 2018 in Python by ritu
 • 1,006 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
 • 58,090 points • 646 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
 • 58,090 points • 553 views
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