# options make for easier choices and that external packages can be
# used for anything more advanced.
-def quantiles(dist, *, n=4, method='exclusive'):
+def quantiles(dist, /, *, n=4, method='exclusive'):
'''Divide *dist* into *n* continuous intervals with equal probability.
Returns a list of (n - 1) cut points separating the intervals.
--- /dev/null
+The *dist* argument for statistics.quantiles() is now positional only. The
+current name doesn't reflect that the argument can be either a dataset or a
+distribution. Marking the parameter as positional avoids confusion and
+makes it possible to change the name later.