[Tutor] checking if a variable is an integer?
Joel Goldstick
joel.goldstick at gmail.com
Tue May 31 23:30:17 CEST 2011
On Tue, May 31, 2011 at 5:23 PM, Hans Barkei <handihans at gmail.com> wrote:
> I want to make a program that finds all the prime numbers up to a number
> inputed by the user.
> I want to know if it is an integer because that will tell me if it is
> divisible by that number or not.
> * ---------Hans-----*
>
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http://stackoverflow.com/questions/1265665/python-check-if-a-string-represents-an-int-without-using-try-except
def RepresentsInt(s):
try:
int(s)
return True
except ValueError:
return False
>>> print RepresentsInt("+123")
True
>>> print RepresentsInt("10.0")
False
--
Joel Goldstick
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