def mmap_readwrite(f, sz=0, close=True):
 return _mmap_do(f, sz, mmap.MAP_SHARED, (mmap.PROT_READ | mmap.PROT_WRITE), close)

def mmap_readwrite ( f , sz = 0 , close = True ) : return _mmap_do ( f , sz , mmap . MAP_SHARED , ( mmap . PROT_READ | mmap . PROT_WRITE ) , close )
create a read-write memory mapped region on file f .