gett error message: "TypeError: 'int' object is not callable"

[Bruno Desthuilliers]

Nick a écrit :
> I've seen a lot of posts on this problem, but none seems to help.
> Here is the code:
> /code
> 
> file = open(prefix1)

shadows the builtin 'file' type.


> text = file.readlines()
> len = len(text)

shadows the builtin 'len' function.

> fields = text[1].split()
> num_rows = int(fields[1])
> num_cols = int(fields[2])
> 
> U1_matrix = []
> 
> print fields
> print repr(fields)
> print len(fields)

And here's your problem - 'len' is now bound to the result of the 
previous call to len(text).

Hint : Python's functions, classes and modules are objects too, and 
don't live in a distinct namespace. So _don't_ use builtin's types / 
functions / etc names as identifiers.

HTH