Create Task.py

Task.py

@@ -0,0 +1,82 @@
+class TaskError(Exception):
+    """Custom exception for task-related errors."""
+    pass
+
+
+class Task:
+    def __init__(self, title, description, priority):
+        if priority not in ['Low', 'Medium', 'High']:
+            raise TaskError("Priority must be Low, Medium, or High.")
+        self.title = title
+        self.description = description
+        self.priority = priority
+        self.completed = False
+
+    def complete_task(self):
+        self.completed = True
+
+    def __str__(self):
+        status = "✔️" if self.completed else "❌"
+        return f"[{status}] {self.title} (Priority: {self.priority})"
+
+
+class TaskManager:
+    def __init__(self):
+        self.tasks = []
+
+    def add_task(self, title, description, priority):
+        try:
+            task = Task(title, description, priority)
+            self.tasks.append(task)
+            print(f"Task '{title}' added successfully.")
+        except TaskError as e:
+            print(f"Error adding task: {e}")
+
+    def complete_task(self, title):
+        for task in self.tasks:
+            if task.title == title:
+                task.complete_task()
+                print(f"Task '{title}' marked as completed.")
+                return
+        print(f"Task '{title}' not found.")
+
+    def delete_task(self, title):
+        self.tasks = [task for task in self.tasks if task.title != title]
+        print(f"Task '{title}' deleted successfully.")
+
+    def view_tasks(self):
+        if not self.tasks:
+            print("No tasks available.")
+            return
+        print("Tasks:")
+        for task in sorted(self.tasks, key=lambda t: t.priority):
+            print(task)
+
+    def filter_tasks(self, completed=None):
+        filtered_tasks = self.tasks
+        if completed is not None:
+            filtered_tasks = [task for task in self.tasks if task.completed == completed]
+
+        if not filtered_tasks:
+            print("No tasks match the criteria.")
+            return
+
+        print("Filtered Tasks:")
+        for task in filtered_tasks:
+            print(task)
+
+
+# Example usage
+if __name__ == "__main__":
+    manager = TaskManager()
+    manager.add_task("Write report", "Complete the annual report", "High")
+    manager.add_task("Email team", "Send out the meeting agenda", "Medium")
+    manager.add_task("Clean desk", "Organize desk space", "Low")
+
+    manager.view_tasks()
+
+    manager.complete_task("Write report")
+    manager.filter_tasks(completed=True)
+
+    manager.delete_task("Clean desk")
+    manager.view_tasks()