Add code samples for markers and pagination.

content/_code-samples/markers-and-pagination/py/pagination-with-markers.py

@@ -0,0 +1,23 @@
+from xrpl.clients import JsonRpcClient
+from xrpl.models.requests import LedgerData
+
+# Create a client to connect to the main network.
+client = JsonRpcClient("https://xrplcluster.com/")
+
+# Specify ledger to query and request data.
+ledger = LedgerData(ledger_index=500000)
+ledger_data = client.request(ledger).result
+
+# Code to run on each call.
+def code():
+    print(ledger_data)
+
+#Execute code at least once before checking for markers.
+while True:
+    code()
+    if "marker" not in ledger_data:
+        break
+    
+    # Specify ledger and marker to continue querying.
+    ledger_marker = LedgerData(ledger_index=500000, marker=ledger_data["marker"])
+    ledger_data = client.request(ledger_marker).result