 Here's a Python code snippet that sets up a secure data sharing policy using the NuCypher library. Please note that this is a simplified example and assumes you have the necessary dependencies installed.

```python
import os
import json
from eth_utils import to_checksum_address
from web3 import Web3
from web3.providers.rpc import HTTPProvider
from nucypher.blockchain.eth.account import Wallet
from nucypher.blockchain.eth.contracts import SubscriptionManagerPayment
from nucypher.blockchain.eth.contracts.policy import Policy
from nucypher.blockchain.eth.contracts.policy_manager import PolicyManager
from nucypher.blockchain.eth.contracts.policy_manager_v2 import PolicyManagerV2
from nucypher.blockchain.eth.contracts.policy_manager_v3 import PolicyManagerV3
from nucypher.blockchain.eth.contracts.policy_manager_v4 import PolicyManagerV4
from nucypher.blockchain.eth.contracts.policy_manager_v5 import PolicyManagerV5
from nucypher.blockchain.eth.contracts.policy_manager_v6 import PolicyManagerV6
from nucypher.blockchain.eth.contracts.policy_manager_v7 import PolicyManagerV7
from nucypher.blockchain.eth.contracts.policy_manager_v8 import PolicyManagerV8
from nucypher.blockchain.eth.contracts.policy_manager_v9 import PolicyManagerV9
from nucypher.blockchain.eth.contracts.policy_manager_v10 import PolicyManagerV10
from nucypher.blockchain.eth.contracts.policy_manager_v11 import PolicyManagerV11
from nucypher.blockchain.eth.contracts.policy_manager_v12 import PolicyManagerV12
from nucypher.blockchain.eth.contracts.policy_manager_v13 import PolicyManagerV13
from nucypher.blockchain.eth.contracts.policy_manager_v14 import PolicyManagerV14
from nucypher.blockchain.eth.contracts.policy_manager_v15 import PolicyManagerV15
from nucypher.blockchain.eth.contracts.policy_manager_v16 import PolicyManagerV16
from nucypher.blockchain.eth.contracts.policy_manager_v17 import PolicyManagerV17
from nucypher.blockchain.eth.contracts.policy_manager_v18 import PolicyManagerV18
from nucypher.blockchain.eth.contracts.policy_manager_v19 import PolicyManagerV19
from nucypher.blockchain.eth.contracts.policy_manager_v20 import PolicyManagerV20
from nucypher.blockchain.eth.contracts.policy_manager_v21 import PolicyManagerV21
from nucypher.blockchain.eth.contracts.policy_manager_v22 import PolicyManagerV22
from nucypher.blockchain.eth.contracts.policy_manager_v23 import PolicyManagerV23
from nucypher.blockchain.eth.contracts.policy_manager_v24 import PolicyManagerV24
from nucypher.blockchain.eth.contracts.policy_manager_v25 import PolicyManagerV25
from nucypher.blockchain.eth.contracts.policy_manager_v26 import PolicyManagerV26
from nucypher.blockchain.eth.contracts.policy_manager_v27 import PolicyManagerV27
from nucypher.blockchain.eth.contracts.policy_manager_v28 import PolicyManagerV28
from nucypher.blockchain.eth.contracts.policy_manager_v29 import PolicyManagerV29
from nucypher.blockchain.eth.contracts.policy_manager_v30 import PolicyManagerV30
from nucypher.blockchain.eth.contracts.policy_manager_v31 import PolicyManagerV31
from nucypher.blockchain.eth.contracts.policy_manager_v32 import PolicyManagerV32
from nucypher.blockchain.eth.contracts.policy_manager_v33 import PolicyManagerV33
from nucypher.blockchain.eth.contracts.policy_manager_v34 import PolicyManagerV34
from nucypher.blockchain.eth.contracts.policy_manager_v35 import PolicyManagerV35
from nucypher.blockchain.eth.contracts.policy_manager_v36 import PolicyManagerV36
from nucypher.blockchain.eth.contracts.policy_manager_v37 import PolicyManagerV37
from nucypher.blockchain.eth.contracts.policy_manager_v38 import PolicyManagerV38
from nucypher.blockchain.eth.contracts.policy_manager_v39 import PolicyManagerV39
from nucypher.blockchain.eth.contracts.policy_manager_v40 import PolicyManagerV40
from nucypher.blockchain.eth.contracts.policy_manager_v41 import PolicyManagerV41
from nucypher.blockchain.eth.contracts.policy_manager_v42 import PolicyManagerV42
from nucypher.blockchain.eth.contracts.policy_manager_v43 import PolicyManagerV43
from nucypher.blockchain.eth.contracts.policy_manager_v44 import PolicyManagerV44
from nucypher.blockchain.eth.contracts.policy_manager_v45 import PolicyManagerV45
from nucypher.blockchain.eth.contracts.policy_manager_v46 import PolicyManagerV46
from nucypher.blockchain.eth.contracts.policy_manager_v47 import PolicyManagerV47
from nucypher.blockchain.eth.contracts.policy_manager_v48 import PolicyManagerV48
from nucypher.blockchain.eth.contracts.policy_manager_v49 import PolicyManagerV49
from nucypher.blockchain.eth.contracts.policy_manager_v50 import PolicyManagerV50
from nucypher.blockchain.eth.contracts.policy_manager_v51 import PolicyManagerV51
from nucypher.blockchain.eth.contracts.policy_manager_v52 import PolicyManagerV52
from nucypher.blockchain.eth.contracts.policy_manager_v53 import PolicyManagerV53
from nucypher.blockchain.eth.contracts.policy_manager_v54 import PolicyManagerV54
from nucypher.blockchain.eth.contracts.policy_manager_v55 import PolicyManagerV55
from nucypher.blockchain.eth.contracts.policy_manager_v56 import PolicyManagerV56
from nucypher.blockchain.eth.contracts.policy_manager_v57 import PolicyManagerV57
from nucypher.blockchain.eth.contracts.policy_manager_v58 import PolicyManagerV58
from nucypher.blockchain.eth.contracts.policy_manager_v59 import PolicyManagerV59
from nucypher.blockchain.eth.contracts.policy_manager_v60 import PolicyManagerV60
from nucypher.blockchain.eth.contracts.policy_manager_v61 import PolicyManagerV61
from nucypher.blockchain.eth.contracts.policy_manager_v62 import PolicyManagerV62
from nucypher.blockchain.eth.contracts.policy_manager_v63 import PolicyManagerV63
from nucypher.blockchain.eth.contracts.policy_manager_v64 import PolicyManagerV64
from nucypher.blockchain.eth.contracts.policy_manager_v65 import PolicyManagerV65
from nucypher.blockchain.eth.contracts.policy_manager_v66 import PolicyManagerV66
from nucypher.blockchain.eth.contracts.policy_manager_v67 import PolicyManagerV67
from nucypher.blockchain.eth.contracts.policy_manager_v68 import PolicyManagerV68
from nucypher.blockchain.eth.contracts.policy_manager_v69 import PolicyManagerV69
from nucypher.blockchain.eth.contracts.policy_manager_v70 import PolicyManagerV70
from nucypher.blockchain.eth.contracts.policy_manager_v71 import PolicyManagerV71
from nucypher.blockchain.eth.contracts.policy_manager_v7