Update options-snapshots_options_chain.py (#433)

* Update options-snapshots_options_chain.py

Updated with better example using additional filters in the params. This was a customer request off the public slack.

* Update options-snapshots_options_chain.py

Update syntax to fix linting.

Author: justinpolygon

examples/rest/options-snapshots_options_chain.py

@@ -8,6 +8,12 @@
 client = RESTClient()  # POLYGON_API_KEY environment variable is used
 
 options_chain = []
-for o in client.list_snapshot_options_chain("HCP"):
+for o in client.list_snapshot_options_chain(
+    "HCP",
+    params={
+        "expiration_date.gte": "2024-03-16",
+        "strike_price.gte": 20,
+    },
+):
     options_chain.append(o)
 print(options_chain)