📝 Task Manager (Python)

Command-line task manager built in Python using Object-Oriented Programming (OOP) principles.
It allows you to add, remove, complete, and list tasks, with data saved persistently in a JSON file.

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🚀 Features

• Add new tasks with optional deadlines.
• Mark tasks as completed.
• Remove tasks by number.
• Display all tasks with status and deadline.
• Persistent storage using JSON (no data loss between runs).

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⚙️ Installation & Usage

1. Clone this repository:

   git clone https://github.com/AliNasser05/task-manager.git
   cd task-manager
   python task_manager.py