mirror of
				https://github.com/python/cpython.git
				synced 2025-10-30 21:21:22 +00:00 
			
		
		
		
	Merge from 3.4
This commit is contained in:
		
						commit
						20f628ee08
					
				
					 2 changed files with 32 additions and 15 deletions
				
			
		|  | @ -140,6 +140,18 @@ The :mod:`random` module provides tools for making random selections:: | |||
|    >>> random.randrange(6)    # random integer chosen from range(6) | ||||
|    4 | ||||
| 
 | ||||
| The :mod:`statistics` module calculates basic statistical properties | ||||
| (the mean, median, variance, etc.) of numeric data:: | ||||
| 
 | ||||
|     >>> import statistics | ||||
|     >>> data = [2.75, 1.75, 1.25, 0.25, 0.5, 1.25, 3.5] | ||||
|     >>> statistics.mean(data) | ||||
|     1.6071428571428572 | ||||
|     >>> statistics.median(data) | ||||
|     1.25 | ||||
|     >>> statistics.variance(data) | ||||
|     1.3720238095238095 | ||||
| 
 | ||||
| The SciPy project <http://scipy.org> has many other modules for numerical | ||||
| computations. | ||||
| 
 | ||||
|  | @ -311,13 +323,18 @@ sophisticated and robust capabilities of its larger packages. For example: | |||
|   (including attachments) and for implementing internet encoding and header | ||||
|   protocols. | ||||
| 
 | ||||
| * The :mod:`xml.dom` and :mod:`xml.sax` packages provide robust support for | ||||
|   parsing this popular data interchange format. Likewise, the :mod:`csv` module | ||||
|   supports direct reads and writes in a common database format. Together, these | ||||
|   modules and packages greatly simplify data interchange between Python | ||||
|   applications and other tools. | ||||
| * The :mod:`json` package provides robust support for parsing this | ||||
|   popular data interchange format.  The :mod:`csv` module supports | ||||
|   direct reading and writing of files in Comma-Separated Value format, | ||||
|   commonly supported by databases and spreadsheets.  XML processing is | ||||
|   supported by the :mod:`xml.etree.ElementTree`, :mod:`xml.dom` and | ||||
|   :mod:`xml.sax` packages. Together, these modules and packages | ||||
|   greatly simplify data interchange between Python applications and | ||||
|   other tools. | ||||
| 
 | ||||
| * The :mod:`sqlite3` module is a wrapper for the SQLite database | ||||
|   library, providing a persistent database that can be updated and | ||||
|   accessed using slightly nonstandard SQL syntax. | ||||
| 
 | ||||
| * Internationalization is supported by a number of modules including | ||||
|   :mod:`gettext`, :mod:`locale`, and the :mod:`codecs` package. | ||||
| 
 | ||||
| 
 | ||||
|  |  | |||
|  | @ -48,6 +48,9 @@ More Python resources: | |||
|   Particularly notable contributions are collected in a book also titled Python | ||||
|   Cookbook (O'Reilly & Associates, ISBN 0-596-00797-3.) | ||||
| 
 | ||||
| * http://www.pyvideo.org collects links to Python-related videos from | ||||
|   conferences and user-group meetings. | ||||
| 
 | ||||
| * http://scipy.org: The Scientific Python project includes modules for fast | ||||
|   array computations and manipulations plus a host of packages for such | ||||
|   things as linear algebra, Fourier transforms, non-linear solvers, | ||||
|  | @ -57,14 +60,11 @@ For Python-related questions and problem reports, you can post to the newsgroup | |||
| :newsgroup:`comp.lang.python`, or send them to the mailing list at | ||||
| python-list@python.org.  The newsgroup and mailing list are gatewayed, so | ||||
| messages posted to one will automatically be forwarded to the other.  There are | ||||
| around 120 postings a day (with peaks up to several hundred), asking (and | ||||
| hundreds of postings a day, asking (and | ||||
| answering) questions, suggesting new features, and announcing new modules. | ||||
| Before posting, be sure to check the list of :ref:`Frequently Asked Questions | ||||
| <faq-index>` (also called the FAQ). | ||||
| Mailing list archives are available at https://mail.python.org/pipermail/. | ||||
| The FAQ answers many of the questions that come up again and again, | ||||
| and may already contain the solution for your problem. | ||||
| 
 | ||||
| .. Postings figure based on average of last six months activity as | ||||
|    reported by www.egroups.com; Jan. 2000 - June 2000: 21272 msgs / 182 | ||||
|    days = 116.9 msgs / day and steadily increasing. (XXX up to date figures?) | ||||
| Before posting, be sure to check the list of | ||||
| :ref:`Frequently Asked Questions <faq-index>` (also called the FAQ).  The | ||||
| FAQ answers many of the questions that come up again and again, and may | ||||
| already contain the solution for your problem. | ||||
|  |  | |||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue
	
	 Andrew Kuchling
						Andrew Kuchling