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
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