From e8961d531db9b7b784fffcef2a94e3ecd8662f74 Mon Sep 17 00:00:00 2001
From: Gabor Szabo <gabor@szabgab.com>
Date: Wed, 1 Jan 2025 11:13:53 +0200
Subject: [PATCH] add

---
 .../examples/functional/filter_dictionary.out  |  3 +++
 .../examples/functional/filter_dictionary.py   | 18 ++++++++++++++++++
 python/functional.md                           |  9 +++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 python/examples/functional/filter_dictionary.out
 create mode 100644 python/examples/functional/filter_dictionary.py

diff --git a/python/examples/functional/filter_dictionary.out b/python/examples/functional/filter_dictionary.out
new file mode 100644
index 000000000..b9dc58ad7
--- /dev/null
+++ b/python/examples/functional/filter_dictionary.out
@@ -0,0 +1,3 @@
+{'math': 100, 'biology': 53, 'chemistry': 62, 'art': 78, 'history': 20}
+{'math': 100, 'chemistry': 62, 'art': 78}
+{'biology': 53, 'history': 20}
diff --git a/python/examples/functional/filter_dictionary.py b/python/examples/functional/filter_dictionary.py
new file mode 100644
index 000000000..74b2a1c1c
--- /dev/null
+++ b/python/examples/functional/filter_dictionary.py
@@ -0,0 +1,18 @@
+def main():
+    grades = {
+        "math":  100,
+        "biology": 53,
+        "chemistry": 62,
+        "art": 78,
+        "history": 20,
+    }
+    print(grades)
+
+    good_grades = {key: value for (key, value) in grades.items() if value >= 60}
+    print(good_grades)
+
+    bad_grades = {key: grades[key] for key in grades if grades[key] < 60}
+    print(bad_grades)
+
+
+main()
diff --git a/python/functional.md b/python/functional.md
index ac6c11c39..9919dc290 100644
--- a/python/functional.md
+++ b/python/functional.md
@@ -444,6 +444,15 @@ This can have only one iterable!
 ![](examples/functional/filter_map_one.py)
 ![](examples/functional/filter_map_one.out)
 
+## filter a dictionary using dict comprehension
+{id: filter-a-dictionary}
+
+We have a dictionary, we would like to create another dictionary based on this one that contains only key-value pairs that meet a certain condition.
+
+![](examples/functional/filter_dictionary.py)
+![](examples/functional/filter_dictionary.out)
+
+
 ## Get indices of values
 {id: get-indexes-of-values}