you need import math On Wed, Apr 15, 2009 at 2:22 PM, mbikinyi brat <[email protected]>wrote:
> Hi All, > This is a code I have written to calculate the area of a circle. > *def area(radius): > temp=math.pi*radius**2 > return temp* > ** > *I* now call it by entering *area(12)* at the prompt in IDLE. This is the > error message I get. Can someone help please? > *Traceback (most recent call last): > File "<pyshell#22>", line 1, in <module> > area(10) > File "<pyshell#21>", line 2, in area > temp=math.pi*radius**2 > NameError: global name 'math' is not defined* > ** > Regards, > Henry > > > > _______________________________________________ > Tutor maillist - [email protected] > http://mail.python.org/mailman/listinfo/tutor > > -- Cheers, Vishwajeet http://www.singhvishwajeet.com
_______________________________________________ Tutor maillist - [email protected] http://mail.python.org/mailman/listinfo/tutor
