import os

fd = os.open( "test", os.O_RDWR|os.O_CREAT )
os.write(fd, "\x1A")
fstats = os.fstat( fd )
os.close( fd )

print "Create: ",fstats.st_size

fd2 = os.open( "test", os.O_RDWR|os.O_CREAT )
fstats2 = os.fstat( fd2 )
os.close( fd2 )

print "Reopen: ",fstats2.st_size