Re: Finding scores from a list

Path	csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!gordon
From	John Gordon <gordon@panix.com>
Newsgroups	comp.lang.python
Subject	Re: Finding scores from a list
Date	Tue, 24 Nov 2015 17:47:17 +0000 (UTC)
Organization	PANIX Public Access Internet and UNIX, NYC
Lines	36
Message-ID	<n327r4$3v1$1@reader1.panix.com> (permalink)
References	<277843f7-c898-4378-85ea-841b09a289e3@googlegroups.com>
NNTP-Posting-Host	panix2.panix.com
X-Trace	reader1.panix.com 1448387237 4065 166.84.1.2 (24 Nov 2015 17:47:17 GMT)
X-Complaints-To	abuse@panix.com
NNTP-Posting-Date	Tue, 24 Nov 2015 17:47:17 +0000 (UTC)
User-Agent	nn/6.7.3
Xref	csiph.com comp.lang.python:99375

Show key headers only | View raw

In <277843f7-c898-4378-85ea-841b09a289e3@googlegroups.com> Cai Gengyang <gengyangcai@gmail.com> writes:


> results = [
> {"id": 1, "name": "ensheng", "score": 10},
> {"id": 2, "name": "gengyang", "score": 12},
> {"id": 3, "name": "jordan", "score": 5},
> ]

Okay, this is a list.

> I want to find gengyang's score. This is what I tried :

> >>> print((results["gengyang"])["score"])

> but I got an error message instead :

> Traceback (most recent call last):
>   File "<pyshell#62>", line 1, in <module>
>     print((results["gengyang"])["score"])
> TypeError: list indices must be integers, not str

Lists are indexed by number, not by name.

You want something like this:

    for result in results:
        if result["name"] == "gengyang":
            print result["score"]
            break

-- 
John Gordon                   A is for Amy, who fell down the stairs
gordon@panix.com              B is for Basil, assaulted by bears
                                -- Edward Gorey, "The Gashlycrumb Tinies"

Back to comp.lang.python | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Finding scores from a list Cai Gengyang <gengyangcai@gmail.com> - 2015-11-24 05:25 -0800
  Re: Finding scores from a list Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-24 13:44 +0000
  Re: Finding scores from a list Peter Otten <__peter__@web.de> - 2015-11-24 14:50 +0100
  Re: Finding scores from a list BartC <bc@freeuk.com> - 2015-11-24 14:12 +0000
  Re: Finding scores from a list John Gordon <gordon@panix.com> - 2015-11-24 17:47 +0000

csiph-web