Trending questions in Python

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reversing a list

Use the reverse function!  list_1.reverse() READ MORE

Jun 20, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 820 views
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1 answer

Size of an object in Python

Use sys.getsizeof() function: >>> import sys >>> s = ...READ MORE

May 25, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,761 views
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1 answer

Binary numbers in python

>>> 0b1011 11 READ MORE

Jun 6, 2018 in Python by Hamartia's Mask
 • 1,580 points • 1,250 views
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2 answers

Delete a character from pythons string

If you want to remove the 'J' ...READ MORE

Jun 12, 2018 in Python by anonymous
 • 1,066 views
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Normal Python code equivalent to given list comprehension

You can try this code list1=[] for i in ...READ MORE

Jun 8, 2018 in Python by jain12
 • 170 points • 1,143 views
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1 answer

How can I get a list of locally installed Python modules?

Solution My 50 cents for getting a pip freeze-like ...READ MORE

May 24, 2018 in Python by charlie_brown
 • 7,720 points • 1,753 views
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1 answer

Install mysqldb module

pip install mysqlclient READ MORE

Jun 12, 2018 in Python by Hamartia's Mask
 • 1,580 points • 892 views
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1 answer

Looping over two lists at once

You have to use the zip() function: for ...READ MORE

May 15, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 2,100 views
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1 answer

How to read/process command line arguments?

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

Jun 4, 2018 in Python by aryya
 • 7,460 points • 1,205 views
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1 answer

Using Lists and Tuples in Python

if you are familiar with C programming, ...READ MORE

May 29, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,428 views
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1 answer

What are the differences between type() and isinstance()?

To summarize the contents of other (already ...READ MORE

Jun 4, 2018 in Python by aryya
 • 7,460 points • 1,127 views
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1 answer

Combine list items to a string

>>> stmt = ['this','is','a','statement'] >>> ' '.join(sentence) 'this is ...READ MORE

Jun 7, 2018 in Python by Hamartia's Mask
 • 1,580 points • 982 views
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1 answer

How can I compare the content of two files in Python?

Assuming that your file unique.txt just contains ...READ MORE

Apr 16, 2018 in Python by charlie_brown
 • 7,720 points • 3,182 views
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1 answer

Extract all characters of a string

Convert it to a list -  s = ...READ MORE

Jun 1, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,210 views
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1 answer

SKLearn NMF Vs Custom NMF

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

May 9, 2018 in Python by charlie_brown
 • 7,720 points • 2,177 views
0 votes
1 answer

Swapping values

a,b = b,a Here, python interprets the comma ...READ MORE

Jun 8, 2018 in Python by Hamartia's Mask
 • 1,580 points • 865 views
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1 answer

Comparing strings in Python

Convert both the strings to either uppercase ...READ MORE

May 28, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,295 views
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1 answer

Join all strings in a list of strings

s = " ".join(myList) #here " " ...READ MORE

May 30, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,148 views
0 votes
1 answer

Create an empty array

You don't have to. The size of ...READ MORE

Jun 7, 2018 in Python by Hamartia's Mask
 • 1,580 points • 791 views
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2 answers

multi line comment

‘’’ This is the way to Enter multi ...READ MORE

Jul 16, 2018 in Python by Priyaj
 • 58,020 points • 971 views
0 votes
1 answer

Replacements for switch statement in Python?

You could use a dictionary: def f(x): ...READ MORE

May 29, 2018 in Python by aryya
 • 7,460 points • 1,136 views
0 votes
1 answer

Python set Union and set Intersection operate differently?

When you do set() you are creating an empty ...READ MORE

May 24, 2018 in Python by charlie_brown
 • 7,720 points • 1,370 views
0 votes
1 answer

How can I find out the index of an element from row and column in Python?

You probably want to use np.ravel_multi_index: [code] import numpy ...READ MORE

Apr 16, 2018 in Python by charlie_brown
 • 7,720 points • 2,971 views
0 votes
1 answer

Looping over a string in python

for c in "string": ...READ MORE

May 28, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,143 views
0 votes
1 answer

OSX 10.11 with py2app?

I'm not sure if this is your ...READ MORE

May 9, 2018 in Python by charlie_brown
 • 7,720 points • 1,959 views
0 votes
1 answer

What does ' -> ' mean in Python function definitions?

It's a function annotation. In more detail, Python 2.x ...READ MORE

May 23, 2018 in Python by charlie_brown
 • 7,720 points • 1,360 views
0 votes
1 answer

Create and open a file in Python

file = open('text.txt', 'w+) READ MORE

May 24, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,288 views
0 votes
1 answer

Enlarging a list using functions using append() and extend()

Let me illustrate this with an example ...READ MORE

Jun 1, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 939 views
0 votes
1 answer

What exactly does the .join() method do?

Look carefully at your output: 5wlfgALGbXOahekxSs9wlfgALGbXOahekxSs5 ^ ...READ MORE

May 31, 2018 in Python by charlie_brown
 • 7,720 points • 974 views
0 votes
1 answer

Multiple line comment in Python

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

May 31, 2018 in Python by charlie_brown
 • 7,720 points • 974 views
0 votes
1 answer

how to download and install Django rest framework?

To install Django, you can simply open ...READ MORE

Apr 24, 2018 in Python by Christine
 • 15,750 points • 2,525 views
0 votes
1 answer

Sorting a list of strings in Python

Use the sort function mylist.sort() READ MORE

May 29, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,008 views
0 votes
1 answer

how to find factorial of a number?

You can find factorial by many ways. ...READ MORE

May 4, 2018 in Python by aayushi
 • 750 points • 2,071 views
0 votes
1 answer

Number of days between dates in Python

You can use the date module to ...READ MORE

May 30, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 907 views
0 votes
1 answer

Create time lag in Python

import time time.sleep(10) READ MORE

May 2, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 2,104 views
0 votes
1 answer

Numpy: Multiplying large arrays with dtype=int8 is SLOW

Unfortunately, the "engine" behind the scenes is ...READ MORE

May 9, 2018 in Python by charlie_brown
 • 7,720 points • 1,793 views
0 votes
1 answer

Reading Unix Timestamp in Python

import datetime print(datetime.datetime.fromtimestamp(int("1284101485")).strftime('%Y-%m-%d %H:%M:%S')) That is the cleanest way ...READ MORE

May 15, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,478 views
0 votes
1 answer

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

950down voteaccepted It's because any iterable can be ...READ MORE

May 15, 2018 in Python by aryya
 • 7,460 points • 1,480 views
0 votes
1 answer

Traverse a list in reverse

for item in my_list[::-1]: ...READ MORE

May 23, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 917 views
0 votes
1 answer

Inverting a python dictionary

inv_dict = {value: key for key, value ...READ MORE

May 23, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 896 views
0 votes
1 answer

Increment operators in Python

Python has no unary operators. So use ...READ MORE

May 12, 2018 in Python by Hamartia's Mask
 • 1,580 points • 1,384 views
0 votes
1 answer

What is the use of raw_input function in Python?

raw_input fuction is no longer available in ...READ MORE

May 2, 2018 in Python by aayushi
 • 750 points • 1,760 views
0 votes
1 answer

How to perform web scraping with python?

Hey, there are various libraries used in ...READ MORE

Apr 20, 2018 in Python by aayushi
 • 750 points • 2,245 views
0 votes
1 answer

How to add a new line in Python?

You can use '\n' for a next ...READ MORE

May 2, 2018 in Python by aayushi
 • 750 points • 1,716 views
0 votes
1 answer

Python class inherits an object

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

Apr 17, 2018 in Python by anonymous
 • 2,359 views
0 votes
1 answer

Remove duplicate elements in a list

Here is the code for this - list(set((list_of_numbers) For ...READ MORE

May 12, 2018 in Python by Hamartia's Mask
 • 1,580 points • 1,299 views
0 votes
1 answer

Difference between '==' and 'is'

'==' checks for the equality of the ...READ MORE

May 14, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,174 views
0 votes
1 answer

Iterating over multiple lists

import itertools for item in itertools.chain(listone, listtwo): #li ...READ MORE

Apr 25, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,930 views
0 votes
1 answer

How to exit from Python without traceback?

shutil has many methods you can use. One ...READ MORE

May 11, 2018 in Python by charlie_brown
 • 7,720 points • 1,207 views
0 votes
1 answer

How to slice an array using python numpy? Is there any numpy tutorial which has covered all its operations?

Slicing is basically extracting particular set of ...READ MORE

Apr 24, 2018 in Python by Christine
 • 15,750 points • 1,737 views
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