hello everyone!
I want to open a file out of Zope and write something into it,and I
have done one program Python, but the error message is: global name
'open' is not defined. I don't known why. would you please help me? 
thank you!
this is my program python
-----------
request = container.REQUEST
RESPONSE =  request.RESPONSE
fd=open('c:/file.txt', 'w')
fd.write('hello')
fd.close()