diff --git a/solid/__pycache__/__init__.cpython-310.pyc b/solid/__pycache__/__init__.cpython-310.pyc
index ad3477d..9c59dd2 100644
Binary files a/solid/__pycache__/__init__.cpython-310.pyc and b/solid/__pycache__/__init__.cpython-310.pyc differ
diff --git a/solid/single_responsability/file_manager.py b/solid/single_responsability/file_manager.py
index 3e39872..d5e9825 100644
--- a/solid/single_responsability/file_manager.py
+++ b/solid/single_responsability/file_manager.py
@@ -4,6 +4,12 @@ from pathlib import Path
 
 
 class FileManager:
+    """
+    Cette classe fait plusieurs choses:
+      - 4 méthodes
+      - lire/écrire fichier
+      - compresser/décompresser fichier
+    """
     def __init__(self, filename: str | Path):
         self.path = Path(filename)
 
@@ -20,3 +26,28 @@ class FileManager:
     def decompress(self) -> None:
         decompressed_data = zlib.decompress(self.path.read_bytes())
         self.path.write_bytes(decompressed_data)
+
+
+class RawFileManager:
+    def __init__(self, filename: str | Path):
+        self.path = Path(filename)
+
+    def read(self) -> str:
+        return self.path.read_text("utf-8")
+
+    def write(self, data: str) -> None:
+        self.path.write_text(data, "utf-8")
+
+
+class CompressionFileManager:
+    def __init__(self, filename: str | Path):
+        self.path = Path(filename)
+
+    def compress(self) -> None:
+        compressed_data = zlib.compress(self.path.read_bytes())
+        self.path.write_bytes(compressed_data)
+
+    def decompress(self) -> None:
+        decompressed_data = zlib.decompress(self.path.read_bytes())
+        self.path.write_bytes(decompressed_data)
+
diff --git a/solid/single_responsability/simple_function.py b/solid/single_responsability/simple_function.py
index 63fdbc2..b56c81c 100644
--- a/solid/single_responsability/simple_function.py
+++ b/solid/single_responsability/simple_function.py
@@ -27,11 +27,38 @@ users = [
 ]
 
 
-def get_user(user_name: str, is_admin: bool = False, consider_old_users: bool=False) -> User | User2 | Admin | None:
+def verify_admin(user: User2 | User) -> bool:
+    return isinstance(user, User2) and user.is_admin
+
+def verify_regular_user(user: User2 | User) -> bool:
+    return isinstance(user, User2) and user.is_admin is False
+
+
+def get_admin(user_name: str) -> Admin | None:
     for user in users:
-        if user_name == user.name:
-            if isinstance(user, User) and not consider_old_users:
-                continue
-            if isinstance(user, User2) and user.is_admin and not is_admin:
-                continue
+        if verify_admin(user) and user.name == user_name:
             return user
+
+
+def get_old_user(user_name: str) -> User:
+    for user in users:
+        if isinstance(user, User) and user.name == user_name:
+            return user
+
+
+def get_regular_user(user_name: str) -> User2:
+    for user in users:
+        if verify_regular_user(user) and user.name == user_name:
+            return user
+
+
+def get_user(user_name: str,
+             is_admin: bool = False,
+             consider_old_users: bool = False) -> User | User2 | Admin | None:
+    if is_admin:
+        return get_admin(user_name)
+    if consider_old_users:
+        return get_old_user(user_name)
+    return get_regular_user(user_name)
+
+
diff --git a/solid/single_responsability/simple_function_test.py b/solid/single_responsability/simple_function_test.py
index 1407324..9961e13 100644
--- a/solid/single_responsability/simple_function_test.py
+++ b/solid/single_responsability/simple_function_test.py
@@ -1,4 +1,4 @@
-from solid.single_responsability.simple_function import get_user
+from solid.single_responsability.simple_function import get_user, get_admin, get_old_user, get_regular_user
 
 
 class TestGetUser:
@@ -16,3 +16,21 @@ class TestGetUser:
         assert get_user("jonathan", is_admin=True) is None
         assert get_user("jonathan", consider_old_users=True) is not None
         assert get_user("jonathan", consider_old_users=True).name == "jonathan"
+
+
+
+
+class TestRefactoredGetUser:
+    def test_happy_path(self):
+        assert get_regular_user("marie-eve") is None
+        assert get_regular_user("walid").name == 'walid'
+
+    def test_admin(self):
+        assert get_admin("walid") is None
+        assert get_admin("tristan") is not None
+        assert get_admin("tristan").name == "tristan"
+
+    def test_old_users(self):
+        assert get_old_user("didier") is None
+        assert get_old_user("jonathan") is not None
+        assert get_old_user("jonathan").name == "jonathan"