Trending questions in Python

+1 vote
1 answer

How to print an error in Python?

For Python 2.6 and later and Python ...READ MORE

Aug 23, 2018 in Python by Priyaj
 • 58,020 points • 1,613 views
0 votes
1 answer

Python: nested 'for' loops

Could use itertools: >>> for comb in itertools.combinations_with_replacement(range(9, -1, ...READ MORE

Sep 3, 2018 in Python by Priyaj
 • 58,020 points • 1,173 views
0 votes
1 answer

OSX 10.11 with py2app?

Try this: In the directory of Sandwich.py (or ...READ MORE

Sep 6, 2018 in Python by Priyaj
 • 58,020 points • 1,030 views
+1 vote
1 answer

How to write the Fibonacci Sequence?

Efficient Pythonic generator of the Fibonacci sequence I ...READ MORE

Aug 21, 2018 in Python by Priyaj
 • 58,020 points • 1,671 views
0 votes
1 answer

How can I rename files on the fly using Python?

You could simply use a wrapper object ...READ MORE

Sep 7, 2018 in Python by aryya
 • 7,460 points • 951 views
+1 vote
1 answer

What is the function for Factorial in Python

Easiest way: math.factorial(x) (available in 2.6 and ...READ MORE

Aug 21, 2018 in Python by Priyaj
 • 58,020 points
edited Aug 21, 2018 by Omkar • 1,619 views
0 votes
1 answer

How to create new folder?

You can create a folder with os.makedirs() and use os.path.exists() to ...READ MORE

Sep 3, 2018 in Python by Priyaj
 • 58,020 points • 1,067 views
0 votes
1 answer

SKLearn NMF Vs Custom NMF

The choice of the optimizer has a ...READ MORE

Sep 7, 2018 in Python by Priyaj
 • 58,020 points • 879 views
0 votes
1 answer

Python ctypes segmentation fault when rootfs is read-only and /tmp is noexec

I cant really seem to reproduce the ...READ MORE

Aug 28, 2018 in Python by anonymous
 • 1,338 views
0 votes
1 answer

Getting some errors regarding python when using sublime text

I don't know if you still need ...READ MORE

Sep 8, 2018 in Python by charlie_brown
 • 7,720 points • 855 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 • 2,918 views
0 votes
1 answer

Python while sampling

From guessing I would say, this could ...READ MORE

Sep 10, 2018 in Python by Priyaj
 • 58,020 points • 727 views
0 votes
1 answer

Linux command-line call not returning what it should from os.system?

What gets returned is the return value ...READ MORE

Aug 29, 2018 in Python by Priyaj
 • 58,020 points • 1,190 views
0 votes
2 answers

How to create new folder?

import os try: os.makedirs(path) except ...READ MORE

Aug 31, 2018 in Python by Omkar
 • 69,220 points • 1,065 views
+1 vote
1 answer

How to append an integer to a string?

You can not directly concatenate two different ...READ MORE

Aug 16, 2018 in Python by Omkar
 • 69,220 points • 1,665 views
0 votes
1 answer

How can I reformat value_counts() analysis in Pandas for large number of columns?

If I were you, I'd do it ...READ MORE

Apr 17, 2018 in Python by anonymous
 • 6,893 views
0 votes
1 answer

Modify int in place

Use a list rather than a tuple: my_container ...READ MORE

Sep 7, 2018 in Python by Priyaj
 • 58,020 points • 695 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
 • 58,020 points • 1,328 views
+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
 • 58,020 points • 1,184 views
0 votes
1 answer

Python class inherits object

Python 3.x: class MyClass(object): = new-style class class MyClass: = new-style ...READ MORE

Aug 30, 2018 in Python by Priyaj
 • 58,020 points • 938 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
 • 58,020 points • 1,187 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
 • 58,020 points • 975 views
0 votes
1 answer

Examples for string find in Python

you can use str.index too: >>> 'sdfasdf'.index('cc') Traceback ...READ MORE

Aug 29, 2018 in Python by Priyaj
 • 58,020 points • 950 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
 • 988 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
 • 58,020 points • 1,118 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
 • 58,020 points • 2,195 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 • 1,259 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
 • 58,020 points • 1,130 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
 • 7,460 points • 1,491 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
 • 58,020 points • 2,568 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
 • 58,020 points • 1,314 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
 • 58,020 points • 1,036 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
 • 58,020 points • 982 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
 • 69,220 points • 1,198 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
 • 58,020 points • 1,238 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
 • 58,020 points • 779 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
 • 7,460 points • 1,324 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
 • 69,220 points • 2,542 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
 • 2,198 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
 • 58,020 points • 848 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
 • 2,095 views
+2 votes
6 answers

Slicing in Python

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

Oct 18, 2018 in Python by abc
 • 2,034 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
 • 15,510 points • 1,578 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 • 3,109 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
 • 2,012 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
 • 58,020 points • 1,410 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
 • 58,020 points • 1,431 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 • 1,309 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
 • 69,220 points • 2,012 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 • 1,905 views
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