if i have a dictionary name number ....and i want to ask the list whether a particular key already exists.
>>> print number {'octal': '1234567', 'binary': '10100101', 'decimal': '1234567890', 'hexadecimal': '1-9,a-f'} i got error..after execute >>>number._contains_("test") Traceback (most recent call last): File "<pyshell#15>", line 1, in <module> number._contains_("test") AttributeError: 'dict' object has no attribute '_contains_' -- http://mail.python.org/mailman/listinfo/python-list