To do list

[UtkrishtShankarnarayanTata]

class Task: def init(self, name, priority, due_date=None, completed=False): self.name = name self.priority = priority self.due_date = due_date self.completed = completed

def __str__(self):
    status = "Completed" if self.completed else "Pending"
    return f"{self.name} - Priority: {self.priority}, Due Date: {self.due_date}, Status: {status}"

class TaskManager: def init(self): self.tasks = []

def add_task(self, task):
    self.tasks.append(task)

def remove_task(self, task_name):
    self.tasks = [task for task in self.tasks if task.name != task_name]

def mark_completed(self, task_name):
    for task in self.tasks:
        if task.name == task_name:
            task.completed = True

def list_tasks(self):
    for task in self.tasks:
        print(task)

def save_tasks(self, filename):
    with open(filename, 'w') as file:
        for task in self.tasks:
            file.write(f"{task.name},{task.priority},{task.due_date},{task.completed}\n")

def load_tasks(self, filename):
    with open(filename, 'r') as file:
        for line in file:
            name, priority, due_date, completed = line.strip().split(',')
            due_date = None if due_date == 'None' else due_date
            completed = completed == 'True'
            self.tasks.append(Task(name, priority, due_date, completed))

def main(): task_manager = TaskManager()

try:
    task_manager.load_tasks("tasks.txt")
except FileNotFoundError:
    pass

while True:
    # Your main menu and user interaction code here

if name == "main": main()