Re: A question about string and float number

2008-08-07 Thread Wei Guo
Hi Grant, I am using the try/exception and just curious why function type doesn't work. Best regards, Wei On 8/7/08, Timothy Grant <[EMAIL PROTECTED]> wrote: > > That's because s IS a string. It's not been converted to a float. > > In [1]: s = '3.1415' > In [2]: n = float(s) > In [3]: type(s)

Re: A question about string and float number

2008-08-07 Thread Timothy Grant
That's because s IS a string. It's not been converted to a float. In [1]: s = '3.1415' In [2]: n = float(s) In [3]: type(s) Out[3]: In [4]: type(n) Out[4]: Why are you avoiding the very simple try:/except: solution to this problem? On Thu, Aug 7, 2008 at 1:28 PM, Wei Guo <[EMAIL PROTECTED]> wr

Re: A question about string and float number

2008-08-07 Thread Wei Guo
Hi I tried the first type method but it seens that it doesn't work. Could anyone help me about it? >>> s = '3.145' >>> type(s) == type(float()) False >>> type(s) >>> type(float()) >>> Best regards, Wei On 8/7/08, Wei Guo <[EMAIL PROTECTED]> wrote: > > Hi Thanks for Tyler and Edwin's help. >

Re: A question about string and float number

2008-08-07 Thread Wei Guo
Hi Thanks for Tyler and Edwin's help. For my questions, I need to import some xml file and there are floating number and strings in it. I need to process string and number differently. This is reason that I am asking question here. Is this background information we need for this quesions. Btw, wh

RE: A question about string and float number

2008-08-06 Thread Tyler Breisacher
It's generally a bad idea to use "except" without naming a specific exception. The exception you might expect in this case is ValueError. Any other exception *should* be uncaught if it happens. By the way, this method will return true for integers as well as floats. For example, isFloat('3') wi

RE: A question about string and float number

2008-08-06 Thread Edwin . Madari
ect: RE: A question about string and float number type(s) == type(float()) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Wei Guo Sent: Wednesday, August 06, 2008 9:23 PM To: python-list@python.org Subject: A question about string and float number Hi all, I

RE: A question about string and float number

2008-08-06 Thread Edwin . Madari
type(s) == type(float()) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Wei Guo Sent: Wednesday, August 06, 2008 9:23 PM To: python-list@python.org Subject: A question about string and float number Hi all, I am new of python. Could anyone help me a quest