Minor algebraic simplification

rhettinger · Jan 8, 2024 · 1e3ae0c · 1e3ae0c
1 parent 35fa13d
commit 1e3ae0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
@@ -1150,7 +1150,7 @@ The following recipes have a more mathematical flavor:
        # https://mathworld.wolfram.com/TotientFunction.html
        # totient(12) --> 4 because len([1, 5, 7, 11]) == 4
        for p in unique_justseen(factor(n)):
-           n = n // p * (p - 1)
+           n -= n // p
        return n