how to code in python?

Part I: Student Grade Alert (20 points) In this part, you will write a function student.alert . The function simulates a simplified student grade this later). The function takes only one argument, students, which is a list of lists. Each sub-list contains one particular student's grades in the form of letter grade strings. Each letter grade has a corresponding integer value as shown below: Letter Grade Corresponding Value 95 85 75 65 Example list: [l'A','B,'A,'F,'B', ['A','F', 'F,'C,'D', 'A', 'A', ['F,'F'11