Re: "OSError: [Errno 9] Bad file descriptor" When I try to Install the library in conda prompt

2020-07-21 Thread dn via Python-list
On 7/22/20 4:46 PM, Mathiyazhagan S wrote: Dear Sir/Madam, I'm new to the python program. I'm trying to install the "numby" or anything to add into the library by using the windows command prompt I'm getting some error please find the attachment. So please help me to resolve this issue.

"OSError: [Errno 9] Bad file descriptor" When I try to Install the library in conda prompt

2020-07-21 Thread Mathiyazhagan S
Dear Sir/Madam, I'm new to the python program. I'm trying to install the "numby" or anything to add into the library by using the windows command prompt I'm getting some error please find the attachment. So please help me to resolve this issue. Thank you -- https://mail.python.org/mailman/

Re: How to limit *length* of PrettyPrinter

2020-07-21 Thread dn via Python-list
On 7/22/20 1:31 PM, Stavros Macrakis wrote: I see how to limit the *depth* in pretty-printing: import pprint pprint.PrettyPrinter(depth=2).pprint(((11,12,13),(21,22,23,(241,242,243),25,26,27))) ((11, 12, 13), (21, 22, 23, (...), 25, 26, 27)) But I would also like to limit the *length, *someth

How to limit *length* of PrettyPrinter

2020-07-21 Thread Stavros Macrakis
I see how to limit the *depth* in pretty-printing: import pprint pprint.PrettyPrinter(depth=2).pprint(((11,12,13),(21,22,23,(241,242,243),25,26,27))) ((11, 12, 13), (21, 22, 23, (...), 25, 26, 27)) But I would also like to limit the *length, *something like this: pprint.PrettyPrinter(depth=2,le

Re: True is True / False is False?

2020-07-21 Thread Chris Angelico
On Wed, Jul 22, 2020 at 11:04 AM Tim Chase wrote: > > I know for ints, cpython caches something like -127 to 255 where `is` > works by happenstance based on the implementation but not the spec > (so I don't use `is` for comparison there because it's not > guaranteed by the language spec). On the o

True is True / False is False?

2020-07-21 Thread Tim Chase
I know for ints, cpython caches something like -127 to 255 where `is` works by happenstance based on the implementation but not the spec (so I don't use `is` for comparison there because it's not guaranteed by the language spec). On the other hand, I know that None is a single object that can (and

Re: Iterators, iterables and special objects

2020-07-21 Thread dn via Python-list
On 7/21/20 9:32 PM, Peter Slížik wrote: Hi list, two related questions: 1. Why do functions used to iterate over collections or dict members return specialized objects like type(dict.keys()) -> class 'dict_keys' type(dict.values()) -> class 'dict_values' type(dict.items()) -> class 'dict_items'

Re: Python Program Help

2020-07-21 Thread dn via Python-list
On 7/22/20 7:16 AM, Dennis Lee Bieber wrote: On Tue, 21 Jul 2020 06:38:55 -0700 (PDT), ksikor14--- via Python-list declaimed the following: Since this is apparently a homework assignment, I'm not going to provide fixes -- just some comments. Logic error? (not entirely poking-fun: is

Re: Iterators, iterables and special objects

2020-07-21 Thread Terry Reedy
On 7/21/2020 5:32 AM, Peter Slížik wrote: Hi list, two related questions: 1. Why do functions used to iterate over collections or dict members return specialized objects like type(dict.keys()) -> class 'dict_keys' type(dict.values()) -> class 'dict_values' type(dict.items()) -> class 'dict_item

RE: Python Scripts

2020-07-21 Thread David Raymond
Remember to reply-all, so that python-list is included and can still see responses and offer help. If Python won't open them, then how do you know the scripts work? They work on someone else's computer you mean? Please provide the basics then so we can try to help out. What OS are you using? H

Re: Python Program Help

2020-07-21 Thread Terry Reedy
On 7/21/2020 11:08 AM, MRAB wrote: On 2020-07-21 14:38, ksikor14--- via Python-list wrote: I can't seem to figure out what I am doing wrong.  I have tried everything.  This is what it is supposed to do: [snip] I get this error: Traceback (most recent call last):    File "main.py", line 1, in

RE: Python Scripts

2020-07-21 Thread David Raymond
> im having problems when running python scripts > > When running the scripts it always closes immediately If you're running it in Windows, and running it by double clicking on a .py file, then it will pop up a console window while it's running, and then immediately close that window when the s

Upgrade from Python 3.6 to 3.8 and cx-freeze is not available more

2020-07-21 Thread Christian SCHEIBER / KLS GmbH
I’d like to do exe files, so the pythin interpreter has not tob e installed. That’s why I use cx-freeze, but installing Python 3.8 after using Python 3.6 does not work. Can you tell me how I can make cx-freeze in Python 3.8 or how I can produce exe files for Windows 7 32 / 64 Bit and Win10?

Python Scripts

2020-07-21 Thread Wasdeq68
im having problems when running python scripts When running the scripts it always closes immediately -- https://mail.python.org/mailman/listinfo/python-list

Iterators, iterables and special objects

2020-07-21 Thread Peter Slížik
Hi list, two related questions: 1. Why do functions used to iterate over collections or dict members return specialized objects like type(dict.keys()) -> class 'dict_keys' type(dict.values()) -> class 'dict_values' type(dict.items()) -> class 'dict_items' type(filter(..., ...)) -> class 'filter'

Re: Friday Finking: Limiting parameters

2020-07-21 Thread Peter J. Holzer
On 2020-07-13 17:21:40 +1200, dn via Python-list wrote: > On 12/07/20 10:10 PM, Barry Scott wrote: > > I'd expect to see something like this: > > > > def mail_label( person, address ): > > first_name = person.first_name > > # or if you want a function interface > > first_line_of_address = address.

Re: Friday Finking: Limiting parameters

2020-07-21 Thread Peter J. Holzer
On 2020-07-12 08:56:47 +1200, DL Neil via Python-list wrote: > On 12/07/20 8:13 AM, Peter J. Holzer wrote: > > On 2020-07-11 09:54:33 +1200, dn via Python-list wrote: > > > Questions: > > > > > > Is the idea of limiting the number of parameters passed across an > > > interface > > > a real concer

Re: Python Program Help

2020-07-21 Thread MRAB
On 2020-07-21 14:38, ksikor14--- via Python-list wrote: I can't seem to figure out what I am doing wrong. I have tried everything. This is what it is supposed to do: (1) Prompt the user for a title for data. Output the title. (1 pt) Ex: Enter a title for the data: Number of Novels Authored

Python Program Help

2020-07-21 Thread ksikor14--- via Python-list
I can't seem to figure out what I am doing wrong. I have tried everything. This is what it is supposed to do: (1) Prompt the user for a title for data. Output the title. (1 pt) Ex: Enter a title for the data: Number of Novels Authored You entered: Number of Novels Authored (2) Prompt the use

EuroPython 2020: Presenting our Conference Booklet

2020-07-21 Thread M.-A. Lemburg
Our designer Jessica has created a beautiful conference booklet for you to use during the conference and keep as a memory afterwards. It provides all details, schedule, keynotes, sponsor listings, etc. in a single PDF. * EuroPython 2020 Conference Booklet * https://ep2020.e

Re: frozendict: an experiment

2020-07-21 Thread Marco Sulla
On Tue, 21 Jul 2020 at 06:01, Inada Naoki wrote: > On Tue, Jul 21, 2020 at 5:07 AM Marco Sulla wrote: > > > > I just finished to improve the performance of frozendict creation. The > result is very promising. > > > > The speedup is about 30% for small dicts (8 items). For large dicts (1k > items