Slicing a list with non-integer parameter? How?

Emile van Sebille emile at fenx.com
Sat Oct 6 17:40:17 CEST 2001


list1.remove(2)

and

list2.remove('thrie')
-- vs 'drie'

HTH,

Emile van Sebille
emile at fenx.com

---------
----- Original Message ----- 
From: "Husam" <h.jehadalwan at student.kun.nl>
Newsgroups: comp.lang.python
Sent: Saturday, October 06, 2001 8:21 AM
Subject: Slicing a list with non-integer parameter? How?


> Hi fiends,
> I'm trying to determine the position of an item in a list in order to
> delete it by slicing the list with non integer parameter.
> Code I works just fine. But code II doe's not work:
> 
> Code 1 with integer values:
> 
> >> list1=[1,2,3,4]
> >>> for i in list1:
> ...     if i==2:
> ...             pos=len(list)-len(list[i:])
> ...             del list[pos-1]
> ...             print list
> ...
> [1, 3, 4]
> 
> Code II with non integer values:
> 
> >>> list2=['one','two','thrie','four']
> >>> for i in list2:
> ...     if i=='drie':
> ...             pos=len(list)-len(list[i:])
> ...             del list[pos-1]
> ...             print list
> ...
> Traceback (innermost last):
>   File "<stdin>", line 3, in ?
> TypeError: slice index must be int
> 
> 
> PS: my Python version is 1.5
> 
> thanks in advance
> 
> 
> 





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