'Solution'

app/main.py

@@ -1,3 +1,21 @@
 class OnlineCourse:
-    # write your code here
-    pass
+    def __init__(self, name: str, description: str, weeks: int) -> None:
+        self.name = name
+        self.description = description
+        self.weeks = weeks
+
+    @staticmethod
+    def days_to_weeks(days: int) -> int:
+        our_weeks = days // 7
+        if days % 7 != 0:
+            our_weeks += 1
+        return our_weeks
+
+    @classmethod
+    def from_dict(cls, dict_in: dict) -> "OnlineCourse":
+        our_online_course = cls(
+            dict_in["name"],
+            dict_in["description"],
+            cls.days_to_weeks(dict_in["days"])
+        )
+        return our_online_course