add an example of programatically creating a named tuple (#32330)

Author: KristofferC

base/namedtuple.jl

@@ -44,6 +44,20 @@ julia> collect(pairs(x))
  :a => 1
  :b => 2
 ```
+
+In a similar fashion as to how one can define keyword arguments programmatically,
+a named tuple can be created by giving a pair `name::Symbol => value` or splatting
+an iterator yielding such pairs after a semicolon inside a tuple literal:
+
+```jldoctest
+julia> (; :a => 1)
+(a = 1,)
+
+julia> keys = (:a, :b, :c); values = (1, 2, 3);
+
+julia> (; zip(keys, values)...)
+(a = 1, b = 2, c = 3)
+```
 """
 Core.NamedTuple