pip install plyvel python import plyvel db = plyvel.DB('./mydatabase', create_if_missing=True) db.close() python with db.write_batch() as wb: wb.put(b'key1', b'value1') wb.put(b'key2', b'value2') wb.put(b'key3', b'value3') python with db.iterator() as it: for key, value in it: print(key, value) python with db.write_batch() as wb: wb.delete(b'key1')


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