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-rw-r--r--searx/answerers/statistics.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/searx/answerers/statistics.py b/searx/answerers/statistics.py
index 5f5ef0c99..abdd1dbf5 100644
--- a/searx/answerers/statistics.py
+++ b/searx/answerers/statistics.py
@@ -21,6 +21,7 @@ kw2func = [
("avg", lambda args: sum(args) / len(args)),
("sum", sum),
("prod", lambda args: reduce(mul, args, 1)),
+ ("range", lambda args: max(args) - min(args)),
]