diff --git a/Nim-for-Python-Programmers.md b/Nim-for-Python-Programmers.md
index ca1163b..db5f472 100644
--- a/Nim-for-Python-Programmers.md
+++ b/Nim-for-Python-Programmers.md
@@ -222,3 +222,10 @@ for line in lines("yourfile.txt"):
   echo line
 ```
 
+### map and lambda
+``` Nim
+import sequtils  # for map
+let temperatures = map(locations, getTemperature)
+let temperatures = map(locations, proc (loc: Location): float = getTemperature(loc, scale=C))
+```
+See [manual](https://nim-lang.org/docs/manual.html#procedures-anonymous-procs)