Chapter 9 Tutorial for Classes Not Working

Here is my version:

Python 2.4.3 (#2, May 9 2006, 21:56:54)
[GCC 3.4.4 [FreeBSD] 20050518] on freebsd6

I am trying the classes example from the tutorial because some other class related stuff I am doing is not working either.

Straight from Chapter 9:

class MyClass:
"A simple example class"
i = 12345
def f(self):
return 'hello world'


From here I run:
x = MyClass
xf = x.f
while True:
print xf()

This gives the following error:

Traceback (most recent call last):
File "<stdin>", line 2, in ?
TypeError: unbound method f() must be called with MyClass instance as first argument (got nothing instead)

Please help...this is killing me!

-Tom
.

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