Added last function

3 files changed, 4 insertions, 2 deletions

diff --git a/README.md b/README.md
index 68e4fbf..6106026 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,7 @@ Other built-in functions are:
 * `function?(value)`: returns true if a value is a function
 * `head(list)`: returns the first element of a list
 * `tail(list)`: returns the end of a list excluding the first element
+* `last(n)`: get last item of n (for lists and strings)
 * `empty?(list)`: returns true if a list is empty
 * `size(list)`: returns the size of a list or a string
 * `min(list)`: returns the smaller value in a list
diff --git a/examples/sentences.fco b/examples/sentences.fco
index 6b6e448..91aa3bd 100644
--- a/examples/sentences.fco
+++ b/examples/sentences.fco
@@ -3,7 +3,7 @@
 def classify(xs)
     def sentence_type(s)
         def ends_with?(s c)
-            =([](s -(size(s) 1)) c)
+            =(last(s) c)
         end
         if ends_with?(s "?")
             +(s " -> Q")
diff --git a/funco b/funco
index 808483a..bf40a12 100755
--- a/funco
+++ b/funco
@@ -428,7 +428,8 @@ def default_env():
             "..": lambda f, t: list(range(f, t + 1, 1) if f < t else range(f, t - 1, -1)) if (
                 isinstance(f, int) and isinstance(t, int)
                 ) else None,
-            "[]": lambda i, n: i[n]
+            "[]": lambda i, n: i[n],
+            "last": lambda i: i[-1]
         }
     )
     return env