Size of list

[Ernesto]

for line in PM_File_Handle. readlines():
PM_fields = line.split(';')

# Is there a way to get the size of PM_Fields here ?
# Something like

size = PM_fields.size( )

# I could not find this attribute in the python docs. Thanks

[limodou]

Re: Size of list

6 Feb 2006 08:32:18 -0800, Ernesto <erniedude@gmai l.com>:[color=blue]
> for line in PM_File_Handle. readlines():
> PM_fields = line.split(';')
>
> # Is there a way to get the size of PM_Fields here ?
> # Something like
>
> size = PM_fields.size( )
>
> # I could not find this attribute in the python docs. Thanks[/color]

try:

size = len(PM_fields)

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[Ernesto]

Re: Size of list

Thanks !

[Schüle Daniel]

Re: Size of list

>>> lst = [1,2,3][color=blue][color=green][color=darkred]
>>> len(lst)[/color][/color][/color]
3[color=blue][color=green][color=darkred]
>>> lst.__len__()[/color][/color][/color]
3

in genereal all objects which implements __len__
can be passed to built-in function len[color=blue][color=green][color=darkred]
>>> len[/color][/color][/color]
<built-in function len>

just to give one example how this can be used
[color=blue][color=green][color=darkred]
>>> class X(object):[/color][/color][/color]
.... def __len__(self):
.... print "this instance has __len__"
.... return 100
....[color=blue][color=green][color=darkred]
>>> x=X()
>>> len(x)[/color][/color][/color]
this instance has __len__
100[color=blue][color=green][color=darkred]
>>> x.__len__()[/color][/color][/color]
this instance has __len__
100

hth, Daniel