Problem 1:
A common issue with dinning out is calculating the correct tip amount. Need a Python program that will:
1. Prompt the user to enter the amount of a dinner bill.
2. Calculate and display tip amounts for a 15%, 18%, and 20% tip.
Problem 2:
For a given problem, the user should only enter numeric values in a range between 100 and 500. Need a Python program that will:
1. Prompt the user to enter a numeric value.
2. If the entered value is between 100 and 500, display to the user that it is within the valid range.
3. Otherwise, display to the user that the value is outside of the valid range.