Python 3 is the latest version of the Python programming language and was formally released on December 3rd, 2008.

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Difference between assigning a number or None? [on hold]

print("Temperature convertor") print("") print("f --> c ; 'f' ") print("c --> f ; 'c' ") print("") opcija = input("Option: ") if opcija == 'c' : c = 0 f = 0 c = ...
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Opencv two camera source [migrated]

I am working with opencv and have two video source. I am using the following code. The code works sometimes and sometimes it does not work. Is there a problem with my code. How can I make the ...
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how python updates references to variables

For this while loop below. It is clear how the v1,v2,v3 are updated to new data objects based on the equation. But I do not understand how u1,u2,u3 retains the original values of v1,v2,v3.Can someone ...
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Is this type of data insertion safe and can stop sql injection in Python?

I am learning Database connection from MySQL Connector/Python Developer Guide. This is the code I am using to insert data: conn = mysql.connector.connect(user="user", password="password", ...
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Why do some languages round to the nearest EVEN integer?

Programming languages like Scheme (R5RS) and Python (see this Question) round towards the nearest even integer when value is exactly between the surrounding integers. What is the reasoning behind ...
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Why doesn't Python have a “flatten” function for lists?

Erlang and Ruby both come with functions for flattening arrays. It seems like such a simple and useful tool to add to a language. One could do this: >>> mess = [[1, [2]], 3, [[[4, 5]], 6]] ...
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Is this looping solution possible with recursion?

Eventually, I would like to generalize this solutions to work with a Tuple of any length. I think recursion is required for that, but I haven't been able to do it. def combineRanges(maxValues) : ...
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Python Compare Values from 2 Columns from two separate CSV files

I am using Python. I have two columns(in separate CSVs) that contain an ID tag. Ideally, I would like to add on columns of information from one CSV to the other whenever the ID tag matches. For the ...
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A newbie in python trying to learn [closed]

Am trying to learn how to program before i go to uni and i stumbled upon a question which i have been unable to do. In the function write code to input two integers m and n and calculate and display ...
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100 views

Additional actions in setup.py for install

Background So, I'm developing a project, and I'm writing setup.py script for it, using distutils. I'm using CPython3.3. I use some libraries that have invalid distributions in PyPI, so they have to ...
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Is using os.environ to store the value of command line switches pythonic?

I write CLI-executable Python 3 scripts regularly to do data compilation and some maintenance tasks, and try to adhere to PEP 8 and the Google Python Style Guide when doing so. Google's guide says to ...
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What was the need of introducing Python 3 when we already had Python 2 [duplicate]

I am still learning python and I started with Python 3. This question not Python 2 vs 3 or difference between them like print() is a function and not language construct and 3/2 = 1.5 My question is ...
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What is the advantage of determining scopes statically and using them dynamically in case of Python?

Firstly let me clarify that I know C and am learning Python. So my OOPS is kind of bad. I was reading the official tutorial and found this Although scopes are determined statically, they are ...
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Why do people consider Python a weak language? [closed]

I've been using Python for a little while now and I am enjoying it, but a few of my friends are telling me to start using a language like C# or Java instead and give these reasons: Python is a ...
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Would porting JPype to Python 3 be useful? [closed]

I have an open source project my company would like me to do with a small team, creating an adapter for the Oracle NoSQL database to be used in Python, but to do that we would need to be able to make ...
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540 views

What are the problems python 3 new features solve?

Python 3 new features say: we’re mostly fixing well-known annoyances and warts, and removing a lot of old cruft It mentions what is different (the fix) but not why (the problems). I have have ...
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understanding the encoding scheme in python 3

I got this error in my program which grab data from different website and write them to a file: 'charmap' codec can't encode characters in position 151618-151624: character maps to <undefined> ...
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535 views

Should I start developing in Python 3? [duplicate]

Possible Duplicate: Should we use python 2.6 or 2.7 or 3.x? Now that Django runs on Python 3, I think it's time to ask that all-important question: Should I start using Python 3 instead of ...
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What features are missing from Python IDE tools?

What are the most desired features currently lacking in any Python IDE tools? I'm also interested in what's missing in Komodo 6 but available in other tools (I currently use Komodo 6 for Python 3 ...
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Will Python 3.0's backwards-incompatibility affect adoption?

I visited Slashdot this morning to find out that Python 3.0 has been released. I know C# and Perl, but have wanted to learn Python for some time, especially after I saw its ease of use to create ...