Free Interactive Python Tutorial

This is my code: In [8]: b=dict.fromkeys([1,2,3,4], []) In [9]: b[1].append(1) In [10]: b[2].appe… Read more Python: Why Lista.append('a') Affects Listb?

I followed Dennis Ivy proshop Tutorial He used the same approach as the code is class ReviewSeriali… Read more How To Nest These Serializes Without Facing Attributeerror: 'blogpost' Object Has No Attribute 'review_set'

There are so many related questions that I have gone through which made me wonder how come this is … Read more How To Fix Cx_oracle: Dll Load Failed?

I have installed on Win7 portable Python 2.7.5.1 and Django 1.6. I followed the first polls tutoria… Read more Django Python Manage.py Migrate

I have the following code: import numpy as np if __name__ == '__main__': m = np.matrix… Read more Pycharm Community 3.1.1 And Numpy, "'matrix' Is Not Callable", But The Code Works

I have the following Python code: def find_words(letters): results = set() def extend_pref… Read more Unboundlocalerror In Recursive Call Of Nested Function

I installed django-celery and I tried to start up the worker server but I get an OSError that a fun… Read more Django Celery Implementation - Oserror : [errno 38] Function Not Implemented

I just started working on a project where I needed to install a lot of dependencies via pip. The in… Read more Is There A Project File Support Like Npm/package.json For Python's Pip?

I have an algorithm that computes shapes using geographic coordinates when certain conditions are s… Read more How To Check If A Coordinate Pair (lat,lon) Exists In A Coordinate Grid?

I am writing some scripts that I want to share with my team, so I have been building in a bunch of … Read more Python, Tkinter And Imported Classes: Logging Uncaught Exceptions

I would like to sum all combination from two DataFrames, DataFrame A ColA ColB Sa… Read more How To Sum Total That Refer To Other Dataframe

Is there some way to run .psp (python server pages) code under apache + mod_wsgi? While we are mov… Read more Psp (python Server Pages) Code Under Mod_wsgi?

Below is my spark data frame a b c 1 3 4 2 0 0 4 1 0 2 2 0 My output should be as below a b c 1 3 … Read more Pyspark Dynamic Column Computation

I'm trying to call from my gmail api code so I can create a draft, but I can't figure out w… Read more Where Do I Get The Authorized Gmail Api Service Instance? (python, Gmail Api)

So, I was playing with the interpreter, and typed in the following: In [95]: 1 and 2 Out[95]: 2 In… Read more How Does The Logical `and` Operator Work With Integers?

I am new to python programming and using scrapy. I have setup my crawler and so far it was working … Read more Scrapy Pipeline Error Cannot Import Name

I have many adresses like 'East 19th Street' or 'West 141st Street' and I would lik… Read more Python Regex: Replacing st, nd, th Etc In A Adress With A Single Sub

I want to numpy arrays into some of my code. I am trying to iterate over an array. import numpy as … Read more Iterating Over A Numpy Array With Enumerate Like Function

I am trying to use NLTK for semantic parsing of spoken navigation commands such as 'go to San F… Read more Semantic Parsing With Nltk

I want to create a heatmap of say, provincial population of China and I found this guide to a simil… Read more Creating A Dataframe Of Shapely Polygons Gives "valueerror: A Linearring Must Have At Least 3 Coordinate Tuples"

Given the following dataframe: col_a | col_b_tosum b | 5 b | 5 b | … Read more Pandas Show Group Sum On All Rows

I produce the following node and relationship data in a for loop about 1 million times. The idea is… Read more How Do I Import Python Node Dicts Into Neo4j?

How do I scrape pages from the Facebook About section. Can I use Facebook Graph API or should I us… Read more How Do I Scrape The About Section Of A Facebook Page?

Here's what I'm trying to do: go here, then hit 'search'. Grab the data, then hit &… Read more Making Subsequent Post Request In Session Doesn't Work - Web Scraping

With matplotlib, how can I see the exact value of the cursor for date values at the bottom right of… Read more Matplotlib's Cursor Info Seems To Be Dependant From Tick Resolution - How Can I Change This Dependancy

My pandas df3 is very large and roughly looks like this: df3 = pd.DataFrame([['23.02.2012',… Read more Preventing Timestamp Creation In To_datetime() Formatting In Order To Group By Periods

I've written a password generator with Tkinter and have set a messagebox that pops-up when the … Read more Copying From Messagebox With Tkinter

It has been a few days since I rebuilt my project but when I was testing some things this morning I… Read more Pathlib: Cannot Import Name 'sequence' From 'collections'

I want to find the days between two dates, but grouped by months. Example: start = datetime(2020,1… Read more Datetime Number Of Days Difference Group By Months

I just try to create some new folders with Python's (3.7.3) os.makedirs() and os mkdir(). Appar… Read more Os.makedirs() / Os.mkdir() On Windows. No Error, But No (visible) Folder Created

I have a pandas DataFrame with mixed data types. I would like to replace all null values with None… Read more Use None Instead Of Np.nan For Null Values In Pandas Dataframe

Just have a look at this code: import re ti = 'abcd' tq = 'abcdef' check_abcd = re… Read more "is" Operator Not Working As Intended

I have a list of strings and I want to classify it by using clustering in Python. list = ['Stri… Read more String Clustering In Python