Re-level non-docs content to top of repo and rename content→docs

_code-samples/escrow/py/cancel_escrow.py

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+from xrpl.clients import JsonRpcClient
+from xrpl.models import EscrowCancel
+from xrpl.transaction import submit_and_wait
+from xrpl.wallet import generate_faucet_wallet
+
+client = JsonRpcClient("https://s.altnet.rippletest.net:51234") # Connect to the testnetwork
+
+# Cancel an escrow
+# An Escrow can only be canceled if it was created with a CancelAfter time
+
+escrow_sequence = 30215126
+
+# Sender wallet object
+sender_wallet = generate_faucet_wallet(client=client)
+
+# Build escrow cancel transaction
+cancel_txn = EscrowCancel(account=sender_wallet.address, owner=sender_wallet.address, offer_sequence=escrow_sequence)
+
+# Autofill, sign, then submit transaction and wait for result
+stxn_response = submit_and_wait(cancel_txn, client, sender_wallet)
+
+# Parse response and return result
+stxn_result = stxn_response.result
+
+# Parse result and print out the transaction result and transaction hash 
+print(stxn_result["meta"]["TransactionResult"]) 
+print(stxn_result["hash"])