will it cause any problems to open a read-only file & not close it?

[Sara Khalatbari]

Dear friends
In a code, I'm opening a file to read. Like :
    lines = open(filename).readlines()
& I'm never closing it.
I'm not writing in that file, I just read it.

Will it cause any problems if you open a file to read
& never close it?



		
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