simple question:the count of array

[Chris Barker]

Jay O'Connor wrote:

> > >>> a=['a','b','c']
> > >>> b=a.count()
> > Traceback (most recent call last):
> >   File "<pyshell#9>", line 1, in ?
> >     b=a.count()
> > TypeError: count() takes exactly 1 argument (0 given)

> I'm not sure what "count()" does, but to get the number of values in an

list.count(x) returns how many instances of x are in list.:

>>> a.count('b')
1
>>> a.append('b')
>>> a
['a', 'b', 'c', 'b']
>>> a.count('b')
2


-Chris

-- 
Christopher Barker,
Ph.D.                                                           
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