Terry J. Reedy added the comment:
Mike, please ask questions on question forums such as python-list
(mail.python.org) or stackoverflow.com, where other beginners can see the
answer. Also, IDLE is not Python. In particular, python's response to code
you send to python usually has nothing to
Christian Heimes added the comment:
You have to import the math module first and then reference the sqrt function
of the math module.
>>> import math
>>> math.sqrt(25)
5.0
--
nosy: +christian.heimes
resolution: -> not a bug
stage: -> resolved
status: open -> closed
___
New submission from mike dalrymple :
Downloaded Python 3.9.0
Documentation indicates:
math.sqrt(x)
Return the square root of x.
When I use in IDLE shell 3.9.0, I receive error:
>>> sqrt(25)
Traceback (most recent call last):
File "", line 1, in
sqrt(25)
NameError: name 'sqrt' is not defi
