problem 1: prepare a program for the conversion of temperature from Fahrenheit into Celsius.

problem 2: prepare a program to produce students results for six subjects exhibiting maximum marks and marks obtained.                                
problem 3: Design a menu as described below:

problem 4: prepare a program to implement the interface library_member that has methods membership_new and membership_barcode.

problem 5: prepare a program to print the list of library users. Users are of two groups: Teachers and Students. The list must contain name, user_id, and department or class.

problem 6: prepare a program to accept 15 student’s marks in an array. Arrange such marks in a descending order and print the lowest.