Re: Newbie: adding string values to a list?
- From: Duncan Booth <duncan.booth@xxxxxxxxxxxxxxx>
- Date: 21 Dec 2005 15:23:44 GMT
planetthoughtful wrote:
> result = []
> for name in cursor.execute("SELECT name, address FROM contacts ORDER BY
> name"):
> result.extend(name)
>
> print result
>
> For reasons I (obviously) don't understand, the "name" values get
> broken up into each individual letter of the values in the name field
> in the result list.
>
Try interactive mode and it should be obvious:
>>> result = []
>>> result.extend('Fred')
>>> result
['F', 'r', 'e', 'd']
>>> result.append('Fred')
>>> result
['F', 'r', 'e', 'd', 'Fred']
>>> result.extend(['Fred'])
>>> result
['F', 'r', 'e', 'd', 'Fred', 'Fred']
>>> help(result.extend)
Help on built-in function extend:
extend(...)
L.extend(iterable) -- extend list by appending elements from the
iterable
>>>
in case it isn't obvious, the elements of a string are the individual
characters, so the extend method will append the individual characters. Use
the append method to put a single string on the end of a list.
.
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