Jayanth Raman <[email protected]> added the comment:
Thanks for the "interact" tip.
FWIW, I see this issue in 2.7.10 as well. Although the list comprehension
works.
$ python
Python 2.7.10 (default, Oct 6 2017, 22:29:07)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> ^D
$ python /tmp/test2.py
> /tmp/test2.py(5)main()
-> for ii in range(nn):
(Pdb) n
> /tmp/test2.py(6)main()
-> num = sum(xx[jj] for jj in range(nn))
(Pdb) sum(xx[jj] for jj in range(nn))
*** NameError: global name 'xx' is not defined
(Pdb) [xx[jj] for jj in range(nn)]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
(Pdb) c
('xx', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
# test2.py
def main(nn=10):
xx = list(range(nn))
import pdb; pdb.set_trace()
for ii in range(nn):
num = sum(xx[jj] for jj in range(nn))
print('xx', xx)
if __name__ == '__main__':
main()
----------
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Python tracker <[email protected]>
<https://bugs.python.org/issue35871>
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