On Sep 13, 10:43 pm, Peng Yu <pengyu...@gmail.com> wrote: > Hi, > > I try the following code. I don't quite understand why __main__ is not > defined. Could somebody let me know what I am wrong about it? > > Regards, > Peng > > $ cat test.py > #!/usr/bin/env python > > if __main__ == '__main__' : > print "Hello World!\n" > $ ./test.py > Traceback (most recent call last): > File "./test.py", line 3, in <module> > if __main__ == '__main__' : > NameError: name '__main__' is not defined
You wrote __main__ instead of __name__. It should have been: if __name__ == '__main__': ... André -- http://mail.python.org/mailman/listinfo/python-list