mvp random generator & list operation evaluator

ziffers/defaults.py

@@ -1,4 +1,5 @@
 """ Default options for Ziffers """
+import operator
 
 DEFAULT_DURS = {
     "m": 8.0,  # 15360/1920
@@ -82,6 +83,14 @@ MODIFIERS = {
 
 ROMANS = {"i": 1, "v": 5, "x": 10, "l": 50, "c": 100, "d": 500, "m": 1000}
 
+OPERATORS = {
+    "+": operator.add,
+    "-": operator.sub,
+    "*": operator.mul,
+    "/": operator.truediv,
+    "%": operator.mod,
+}
+
 # pylint: disable=locally-disabled, too-many-lines
 
 SCALES = {