cannot concatenate 'str' and 'list' objects

[Νικόλαος Κούρας]

Sorry the problem appears when you try to input data botton down the page in the text area boxes and click submit.

this is the error apperaing:

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /home/nikos/public_html/cgi-bin/counter.py in ()
   56 # I would suggest using some kind of verification function to check that the value of 'page' is OK, before opening the file.
   57 
   58 f = open( '../' + page )
   59 
   60 # read first line of the file
f undefined, builtin open = <built-in function open>, page = ['index.html', 'index.html']
<type 'exceptions.TypeError'>: cannot concatenate 'str' and 'list' objects 
      args = ("cannot concatenate 'str' and 'list' objects",) 
      message = "cannot concatenate 'str' and 'list' objects"