Trending questions in Python

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Deleting a list element by value

Use the remove() function: >>> p = [1, ...READ MORE

May 12, 2018 in Python by Hamartia's Mask
 • 1,580 points • 699 views
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Parse JSON in Python

import json data=json.loads(employee_data) print(data) READ MORE

Apr 26, 2018 in Python by aayushi
 • 750 points • 1,340 views
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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
 • 15,790 points • 1,370 views
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Python Setup file

 setup.py tells you that the module or the ...READ MORE

May 14, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 503 views
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Removing surrounding whitespace

Try the strip() function:  s = s.strip() If you ...READ MORE

May 4, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 878 views
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Python comments

Use docstrings for multi-line commenting -  """ Line 1 Line ...READ MORE

May 7, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 741 views
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Reversing strings in Python

The fastest way to reverse string is ...READ MORE

May 7, 2018 in Python by Nietzsche's daemon
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Using quotes in python

Both the conventions for enclosing strings are ...READ MORE

May 9, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 634 views
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Exiting a python program

Use the quit() function. This function can ...READ MORE

May 8, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 639 views
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Count the frequency of all list items

You can do this using a dictionary: dict((i, ...READ MORE

May 3, 2018 in Python by Nietzsche's daemon
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How can I iterate through two lists in Parallel

You have to use the zip function ...READ MORE

Apr 17, 2018 in Python by anonymous
 • 1,532 views
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Deleting a dictionary entry in Python

Use pop(): mapping.pop("key_x") #key_x is a key entry Note ...READ MORE

May 2, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 878 views
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Type checking in Python

Use the type() function with the variable ...READ MORE

May 8, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 599 views
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Uninstalling python packages

It is best to install pip in ...READ MORE

May 9, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 523 views
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Unable to take input from user in Python

num = input("enter number") print(num) READ MORE

May 1, 2018 in Python by aayushi
 • 750 points • 865 views
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Padding a string

>>> s = '1123' >>> print s.zfill(8) #desired ...READ MORE

May 4, 2018 in Python by Nietzsche's daemon
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Copying lists in python

Assigning one list to another one simply ...READ MORE

Apr 30, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 907 views
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Merge two dicts

dict3 = dict1.copy() # merges ...READ MORE

Apr 27, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 996 views
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How can I write nested dictionaries to a csv file?

You can use the pandas library to ...READ MORE

Apr 17, 2018 in Python by anonymous
 • 1,340 views
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Unique identification for data items in Python

Try the UUID module of Python. For example, ...READ MORE

Apr 17, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 1,262 views
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Renaming columns of dataframes

Assign the new names to the column ...READ MORE

May 3, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 565 views
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Run Unix command within Python

From the python docs, use the subprocess ...READ MORE

Apr 27, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 773 views
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List of lines from a file

with open(fname) as f: ...READ MORE

Apr 30, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 600 views
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Adding elements to a list in python

Use extend() instead: l = [5, 7, 12, ...READ MORE

Apr 23, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 892 views
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Variables in Python

Variables in python work differently than they ...READ MORE

Apr 26, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 755 views
0 votes
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How to hide a window in the constructor immediately after creation?

You can use QtCore.QTimer class Example(QWidget):     def __init__(self, app):         QWidget.__init__(self)         QTimer.singleShot(0, ...READ MORE

Apr 17, 2018 in Python by anonymous
 • 1,131 views
0 votes
1 answer

Slice notation in Python for string reversal

The slice notation is [start:end:step]. Step = ...READ MORE

Apr 25, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 779 views
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Dimension in python numpy

Use the .shape to print the dimensions ...READ MORE

Apr 20, 2018 in Python by aayushi
 • 750 points • 915 views
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what are "and" and "or" operators in Python?

AND - True if both the operands ...READ MORE

Apr 18, 2018 in Python by Johnathon
 • 9,090 points • 974 views
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Need help with searching a binary search tree

Instead of multiplying the number of nodes ...READ MORE

Apr 17, 2018 in Python by anonymous
 • 979 views
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Get index in for loop

Use enumerate(): for index, value in enumerate(array): ...READ MORE

Apr 24, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 653 views
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Checking for empty list

Empty objects in python by default have ...READ MORE

Apr 24, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 638 views
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Deleting list elements

Use pop(): a = [1, 2, 3, 4] a.pop(2) print(a) Now ...READ MORE

Apr 23, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 670 views
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Where can I get the list of Python keywords?

Just import a module “keyword”. Here you ...READ MORE

Apr 20, 2018 in Python by aayushi
 • 750 points • 773 views
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Returning values in python

Place your values in a tuple and ...READ MORE

Apr 26, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 484 views
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Python Switch construct?

You can use the python dictionary for ...READ MORE

Apr 19, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 703 views
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Number division in python

For Python 3, use the // operator: q = ...READ MORE

Apr 18, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 721 views
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Write dates as datetime objects

from datetime import datetime datetime_object = datetime.strptime('Aug 23 ...READ MORE

Apr 18, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 713 views
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Looping over dictionary values

You can loop over the dictionary and ...READ MORE

Apr 17, 2018 in Python by Nietzsche's daemon
 • 4,260 points • 719 views
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