2.4 (Convert pounds into kilograms) Write a program that converts pounds into kilograms. The program prompts the user to enter a value in pounds, converts it to kilograms, and displays the result. One pound is 0.454 kilograms. Here is a sample run: Enter a value in pounds: 55.5 55.5 pounds is 25.197 kilograms Enter 2.6 (Sum the digits in an integer) Write a program that reads an integer between 0 and 1000 and adds all the digits in the integer. For example, if an integer is 932, the sum of all its digits is 14 . (Hint: Use the operator to extract digits, and use the // operator to remove the extracted digit. For instance, 932 % 10 = 2 and 932 // 1093) Here is a sample run: Enter a number between 0 and 1000: 999 The sum of the digits is 27 Enter (Find the number of years and days) Write a program that prompts the user to enter the minutes (e.g., 1 billion), and displays the number of years and days for the minutes. For simplicity, assume a year has 365 days. Here is a sample run: Enter Enter the number of minutes: 1000000000 1000000000 minutes is approximately 1902 years and 214 days