On Thursday, 18 December 2014 13:28:33 UTC-4, Marcus Lütolf wrote: > Hello Dears, > 1)I am trying to do this: > > >>> dir(_builtins_) You need two underscore characters on each sides:
dir(__builtins__) > > I am getting this: > Traceback (most recent call last): > File "<pyshell#0>", line 1, in <module> > dir(_builtins_) > NameError: name '_builtins_' is not defined > > 2)I am trying to do this: > > >>> 'TTA',_add_('GGA') Same; magic methods have two underscore characters on each side. > > I'am getting this : > Traceback (most recent call last): > File "<pyshell#0>", line 1, in <module> > 'TTA',_add_('GGA') > NameError: name '_add_' is not defined > > 3)I am trying to do this: > > >>> -3 .abs() abs(-3) abs is a function in Python. See http://lucumr.pocoo.org/2011/7/9/python-and-pola/ for a good explanation... > > I'am getting this > Traceback (most recent call last): > File "<pyshell#1>", line 1, in <module> > -3 .abs() > AttributeError: 'int' object has no attribute 'abs' > > 4) finally, after printing > > >>>abs._doc_() > Guess why! ;-) > I am getting this (and so on) : > Traceback (most recent call last): > File "<pyshell#2>", line 1, in <module> > abs._doc_() > AttributeError: 'builtin_function_or_method' object has no attribute '_doc_' > > What did I do wrong ? Thanks for help, Marcus Luetolf, M.D., 90 Bondastreet, > CH-7000 Chur, Switzerland. > > > > > > > > > > > > > > > > Diese E-Mail wurde von Avast Antivirus-Software > auf Viren geprüft. > > www.avast.com -- https://mail.python.org/mailman/listinfo/python-list