Write a program for the following
1. Accept three numbers from the user and find the sum and average of those three numbers
2. Accept the principal, rate, time from the user and calculate the simple interest
3. Accept the time in hours and convert it to minutes and seconds
4. Accept the distance in kilometers and convert it to meters, centimeters and millimeters
5. Accept the cost price and selling price from the user and find the profit and profit percentage
6. Accept the side of the square and find the area and perimeter of the square
7. Accept the radius of the circle and find the area and circumference of the circle
8. Accept seven days temperature of the week and find the average temperature of the week
9. Accept maximum and minimum temperature of the day and find the average
10. Accept the marks of Math, English, Hindi, Science, Social Study of a student and find the total and average of the student
