Grouping with , in number format

view.py

@@ -14,7 +14,7 @@ def create_message(name, timestamp, price, quantity):
     """
     this_time = datetime.utcfromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M')
     this_drop_decimal = quantity * price / 1e9
-    this_message = "{}: {} dropped {:,} shares at ${:.2f} for a grand total of ${:,.1f}B".format(
+    this_message = "{}: {} dropped {:,} shares at ${:,.2f} for a grand total of ${:,.1f}B".format(
         this_time, name, quantity, price, this_drop_decimal)
     return this_message