From 480dc9824a30de23f1a1ce6ec56ae2d8735fe645 Mon Sep 17 00:00:00 2001
From: Julia Alexeeva <julia4406@gmail.com>
Date: Tue, 5 Nov 2024 18:04:18 +0200
Subject: [PATCH 1/4] 'solution'

---
 app/main.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/app/main.py b/app/main.py
index 68287892..2a2c2f0e 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,5 +2,14 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    cached_data = {}
+
+    def wrapper(*args, **kwargs) -> Callable:
+        parameters = tuple(args)
+        if parameters not in cached_data.keys():
+            result = func(*args, **kwargs)
+            cached_data[parameters] = result
+            return result
+        else:
+            return cached_data.get(parameters)
+    return wrapper

From c8da4375510fe40d68f43c4eafb7e3e0c04a38da Mon Sep 17 00:00:00 2001
From: Julia Alexeeva <julia4406@gmail.com>
Date: Tue, 5 Nov 2024 18:11:37 +0200
Subject: [PATCH 2/4] add text output ('Calculating new result' and 'Getting
 from cache').

---
 app/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/main.py b/app/main.py
index 2a2c2f0e..7cfd8f42 100644
--- a/app/main.py
+++ b/app/main.py
@@ -9,7 +9,9 @@ def wrapper(*args, **kwargs) -> Callable:
         if parameters not in cached_data.keys():
             result = func(*args, **kwargs)
             cached_data[parameters] = result
+            print("Calculating new result")
             return result
         else:
+            print("Getting from cache")
             return cached_data.get(parameters)
     return wrapper

From d242dd1113bf4dbf5f3ba2d82b71d04d671a01d0 Mon Sep 17 00:00:00 2001
From: Julia Alexeeva <julia4406@gmail.com>
Date: Tue, 26 Nov 2024 14:09:47 +0200
Subject: [PATCH 3/4] Remade dictionary methods, removed excessive variables

---
 app/main.py | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/app/main.py b/app/main.py
index 7cfd8f42..ba812d26 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,17 +1,14 @@
-from typing import Callable
+from collections.abc import Callable
 
 
 def cache(func: Callable) -> Callable:
-    cached_data = {}
+    storage = {}
 
-    def wrapper(*args, **kwargs) -> Callable:
-        parameters = tuple(args)
-        if parameters not in cached_data.keys():
-            result = func(*args, **kwargs)
-            cached_data[parameters] = result
+    def wrapper(*args) -> Callable:
+        if args not in storage:
             print("Calculating new result")
-            return result
+            return storage.setdefault(args, func(*args))
         else:
             print("Getting from cache")
-            return cached_data.get(parameters)
+            return storage.get(args)
     return wrapper

From c0004cc63d30ac805f6862ec4989976f5aadd0e9 Mon Sep 17 00:00:00 2001
From: Julia Alexeeva <julia4406@gmail.com>
Date: Tue, 26 Nov 2024 20:12:14 +0200
Subject: [PATCH 4/4] Removed redundant 'return', conditions in 'else/if'
 switched (to avoid using 'not'.

---
 app/main.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/app/main.py b/app/main.py
index ba812d26..055d04a3 100644
--- a/app/main.py
+++ b/app/main.py
@@ -5,10 +5,11 @@ def cache(func: Callable) -> Callable:
     storage = {}
 
     def wrapper(*args) -> Callable:
-        if args not in storage:
-            print("Calculating new result")
-            return storage.setdefault(args, func(*args))
-        else:
+        if args in storage:
             print("Getting from cache")
-            return storage.get(args)
+        else:
+            print("Calculating new result")
+            storage.setdefault(args, func(*args))
+        return storage.get(args)
+
     return wrapper