2) Write a Python program that asks the user to enter students' grades. The program should keep accepting grades and stops once a negative value is entered. Finally, the program prints the number of grades entered, summation and average of all grades. Here is an example of the program output: Enter the grade of student 1: 70 Enter the grade of student 2: 0 Enter the grade of student 3: 80.75 Enter the grade of student 4: -1 You entered grades for 3 students The summation of grades is 150.75 and the average is 50.25

2) Write a Python program that asks the user to enter students' grades. The program should keep accepting grades and stops once a negative value is entered. Finally, the program prints the number of grades entered, summation and average of all grades. Here is an example of the program output: Enter the grade of student 1: 70 Enter the grade of student 2: 0 Enter the grade of student 3: 80.75 Enter the grade of student 4: -1 You entered grades for 3 students The summation of grades is 150.75 and the average is 50.25