[Tutor] how to know if a file exists

[shawn bright]

hello there,
i am writing an app for linux. what command would be easiest to test and see
if a certain file exist ?
i was going to do something like this
try:
    file = open('/path/to/file', 'rb')
    return True
except:
    return False

but i thought that there would be an easier way.
thanks
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