diff --git a/.gitignore b/.gitignore
index 5d381cc..e257cb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -121,8 +121,8 @@ celerybeat.pid
 *.sage.py
 
 # Environments
-.env
-.venv
+.env/
+.venv/
 env/
 venv/
 ENV/
@@ -158,5 +158,5 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/
 
diff --git a/lru_cache.py b/lru_cache.py
new file mode 100644
index 0000000..1523ff0
--- /dev/null
+++ b/lru_cache.py
@@ -0,0 +1,24 @@
+class LRUCache:
+
+    def __init__(self, capacity: int):
+        self.capacity = capacity
+        self.slots = []
+
+    def get(self, key: int) -> int:
+        if key <= len(self.slots) -1:
+            return self.slots[key]
+        return -1
+
+    def put(self, key: int, value: int) -> None:
+        if self.capacity > len(self.slots):
+            self.slots.append(value)
+        else:
+            self.slots[len(self.slots) - 1] = value
+
+def main():
+    cache = LRUCache(2)
+    print(cache.get(1))
+    print(cache.get(0))
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..e2882de
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[project]
+name = "training-cg"
+version = "0.1.0"
+requires-python = ">=3.12"
+dependencies = []
diff --git a/training.py b/training.py
new file mode 100644
index 0000000..6cf9fda
--- /dev/null
+++ b/training.py
@@ -0,0 +1,21 @@
+def filter_keywords(text: str, keywords: list[str]) -> list[str]:
+    """
+    Prend un texte et une liste de mots‑clés (insensibles à la casse).
+    Retourne les mots du texte (sans ponctuation) qui contiennent au moins un mot‑clé.
+    Si un mot du texte contient plusieurs mots‑clés, il n’est listé qu’une fois.
+    """
+    res = []
+    for word in keywords:
+        nb_occ = text.lower().count(word.lower())
+        res.extend([word] * nb_occ)
+    return res
+
+
+def main():
+    text = "Python est génial ! J'adore Python, surtout les listes."
+    keywords = ["python", "liste"]
+    print(filter_keywords(text, keywords))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/uv.lock b/uv.lock
new file mode 100644
index 0000000..da0eb8d
--- /dev/null
+++ b/uv.lock
@@ -0,0 +1,8 @@
+version = 1
+revision = 1
+requires-python = ">=3.12"
+
+[[package]]
+name = "training-cg"
+version = "0.1.0"
+source = { virtual = "." }