Creating a file to write in python -

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pardon me silly newbie question, create/open file writing compiler error.

    tmp1 = os.path.join(self.vardirname.get(), strftime("%y_%m_%d")+'_errs')     tmp2 = os.path.join(tmp1,mysubfolder)     if not os.path.exists(tmp2):         os.makedirs(tmp2)       fn = os.path.join(tmp2,'hello.txt')     f = file(fn, "w")      #i tried this:     fna = os.path.join(tmp2,'hello.txt')     fn = "hello.txt"     f = open(fn, "w")

error in last line: nameerror: name 'fn' not defined, if hardcode filename, creates it. how create variable name?


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