function nested

[Gigs_]

i have this function.

def f(start):
     stack = []
     def f1(start):
         for fname in os.listdir(startDir):
            path = os.path.join(startDir, fname)
            if os.path.isfile(path):
                stack.append(path)
            else:
                f1(path)
     return stack


this is returning empty list, why?


thanks

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