Solution

app/main.py

@@ -1,3 +1,25 @@
-class OnlineCourse:
-    # write your code here
-    pass
+from __future__ import annotations
+
+
+class OnlineCourse:
+    @staticmethod
+    def days_to_weeks(days: int) -> int:
+        return (days // 7) + 1 if days % 7 != 0 else days // 7
+
+    @classmethod
+    def from_dict(cls, course_dict: dict) -> OnlineCourse:
+        return cls(
+            name=course_dict["name"],
+            description=course_dict["description"],
+            weeks=cls.days_to_weeks(course_dict["days"])
+        )
+
+    def __init__(
+            self,
+            name: str,
+            description: str,
+            weeks: int
+    ) -> None:
+        self.name = name
+        self.description = description
+        self.weeks = weeks