5 if os.path.exists('2800.mdb'):
8 env = lmdb.open('2800.mdb', subdir=False);
9 with env.begin(write=True) as txn:
10 txn.put('first', 'data for first')
11 txn.put('second', 'A=1 B=2')
12 txn.put('third', 'A1:B2:C3')
14 for key, value in cursor:
15 print key, "=>", value