A lot

data/save.py

@@ -0,0 +1,19 @@
+import json
+from data.cat import Cat
+
+
+class SaveData:
+    def __init__(self, cat, money=100):
+        self.cat = cat
+        self.money = money
+
+
+def save(cat):
+    with open(f"{cat.name}.kitten", "w") as f:
+        json.dump(cat.to_dict(), f)
+
+
+def load(filepath):
+    with open(filepath) as f:
+        raw = json.load(f)
+    return Cat(**raw)