Design a flight booking system in Python that manages flight information and passenger bookings. Use dictionaries to store flight details $($e$.$g$.,$ flight number, destination, departure time$)$ and passenger information. Implement functions to book seats, check availability, and display passenger manifests.

Build a contact management system using Python that allows users to store and manage contact information. Use dictionaries to represent contacts with keys for attributes like name, phone number, and email. Implement functions for adding, updating, and deleting contacts.

Design a class hierarchy for a library management system, including classes for books, library members, and transactions. Implement methods for adding new books, tracking book loans, and managing member accounts.

Develop a class structure for an online shopping platform, including classes for products, customers, and orders. Implement functionalities for adding products to a shopping cart, processing orders, and calculating total costs.

Design classes for students, courses, and grades, with functionalities such as recording student grades, calculating GPA, and generating academic transcripts.

Create a weather$-$tracking application. Define a list to store daily temperature data for a week. Each element should be a dictionary representing a day with keys such as date, high temperature, low temperature, and weather conditions. Implement functions to calculate the average temperature for the week and find the day with the highest temperature.