by usig if - else only

4.0.4 Exercise 4: Write a program that reads 3 numbers and displays the maximum of the 3 input numbers. Slide Type Sample run 1: Enter the first number: 1.5 Enter the second number: 8.3 Enter the third number: 2.5 maximum number is: 8.3 Sample run 2: Enter the first number: 7.4 Enter the second number: 5.7 Enter the third number: 2.5 maximum number is: 7.4 Sample run 3: Enter the first number: 10.5 Enter the second number: 6.8 Enter the third number: 12.7 maximum number is: 12.7