Refactor param formatting out into function

src/assetchainparams

@@ -2,6 +2,9 @@
 import os
 import json
 
+def format_param(param, value):
+    return '-' + param + '=' + value
+
 script_dir = os.path.dirname(__file__)
 with open(script_dir + '/assetchains.json') as file:
     assetchains = json.load(file)
@@ -11,7 +14,7 @@ for chain in assetchains:
     for param, value in chain.items():
         if isinstance(value, list):
             for dupe_value in value:
-                params.append('-' + param + '=' + dupe_value)
+                params.append(format_param(param, dupe_value))
         else:
-            params.append('-' + param + '=' + value)
+            params.append(format_param(param, value))
     print(' '.join(params))