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IT Nursery > News > python-3.x

python-3.x

Programming, Python
IT Nursery

How to use newline ‘\n’ in f-string to format output in Python 3.6?

I would like to know how to format this case in a Pythonic way with f-strings: names =...
  • June 1, 2022
  • 0 Comments
Programming, Python
IT Nursery

Are lists thread-safe?

I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop(). Is this because lists are ...
  • June 1, 2022
  • 0 Comments
Programming, Python
IT Nursery

What is “pkg-resources==0.0.0” in output of pip freeze command

When I run pip freeze I see (among other expected packages) pkg-resources==0.0.0. I have seen a few posts mentioning this package (including this ...
  • May 31, 2022
  • 0 Comments
Programming, Python
IT Nursery

What do ellipsis […] mean in a list?

I was playing around in python. I used the following code in IDLE: p = [1, 2] p[1:1] = [p] print p The ...
  • May 31, 2022
  • 0 Comments
Programming, Python
IT Nursery

How do I upgrade the Python installation in Windows 10?

I have a Python 2.7.11 installed on one of my LAB stations. I would like to upgrade Python to at least 3.5. How ...
  • May 30, 2022
  • 0 Comments
Programming, Python
IT Nursery

How to save a dictionary to a file?

I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only ...
  • May 30, 2022
  • 0 Comments
Programming, Python
IT Nursery

Getting value of enum on string conversion

I have the following enum defined: from enum import Enum class D(Enum): x = 1 y = 2 print(D.x) now the printed value ...
  • May 30, 2022
  • 0 Comments
Programming, Python
IT Nursery

Django model “doesn’t declare an explicit app_label”

I’m at wit’s end. After a dozen hours of troubleshooting, probably more, I thought I was finally in business, but then I got: ...
  • May 30, 2022
  • 0 Comments
Programming, Python
IT Nursery

Is there a ‘foreach’ function in Python 3?

When I meet the situation I can do it in javascript, I always think if there’s an foreach function it would be convenience. ...
  • May 29, 2022
  • 0 Comments
Programming, Python
IT Nursery

What is sys.maxint in Python 3?

I’ve been trying to find out how to represent a maximum integer, and I’ve read to use "sys.maxint". However, in Python 3 when ...
  • May 29, 2022
  • 0 Comments

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