Muchos Números Y Suma - Ejercicio De Programacion C# Sharp

using System;  // Import the System namespace for basic functionality

class Program  // Define the main class
{
    static void Main()  // The entry point of the program
    {
        double sum = 0;  // Variable to store the sum of the numbers
        string input;  // Variable to store user input
        string numbersEntered = "";  // String to store the entered numbers
        
        // Prompt user for numbers until they enter "end"
        Console.WriteLine("Enter numbers (type 'end' to stop):");
        
        // Continue looping until user enters "end"
        while (true)
        {
            Console.Write("Enter a number: ");
            input = Console.ReadLine();  // Read user input
            
            if (input.ToLower() == "end")  // Check if input is "end"
                break;  // Exit the loop if "end" is entered
            
            // Try to convert the input to a double and add it to the sum
            if (double.TryParse(input, out double number))
            {
                sum += number;  // Add the number to the sum
                numbersEntered += number + " ";  // Append the number to the list of entered numbers
                Console.WriteLine($"Sum = {sum}");  // Display the current sum
            }
            else
            {
                Console.WriteLine("Invalid input. Please enter a valid number.");
            }
        }

        // Display the entered numbers and the total sum once "end" is entered
        Console.WriteLine($"The numbers are: {numbersEntered.Trim()}");
        Console.WriteLine($"The sum is: {sum}");
    }
}

 Salida

Case 1:
Enter numbers (type 'end' to stop):
Enter a number: 1.5
Sum = 1.5
Enter a number: 2.3
Sum = 3.8
Enter a number: 3.7
Sum = 7.5
Enter a number: -4.8
Sum = 2.7
Enter a number: 5.0
Sum = 7.7
Enter a number: end
The numbers are: 1.5 2.3 3.7 -4.8 5
The sum is: 7.7

Case 2:
Enter numbers (type 'end' to stop):
Enter a number: -1.1
Sum = -1.1
Enter a number: -2.2
Sum = -3.3
Enter a number: -3.3
Sum = -6.6
Enter a number: -4.4
Sum = -11
Enter a number: -5.5
Sum = -16.5
Enter a number: end
The numbers are: -1.1 -2.2 -3.3 -4.4 -5.5
The sum is: -16.5

Case 3:
Enter numbers (type 'end' to stop):
Enter a number: 10.0
Sum = 10
Enter a number: 20.0
Sum = 30
Enter a number: 30.0
Sum = 60
Enter a number: 40.0
Sum = 100
Enter a number: 50.0
Sum = 150
Enter a number: end
The numbers are: 10 20 30 40 50
The sum is: 150