write a program that reads positive numbers from the user and stops if the user entered negative numbers

I am quite new to Python so I am having trouble doing my assignment. I need to create a program that adds an unspecified amount of positive numbers entered by the user, and the program will stop if the user entered a zero or a negative number. Then it prints out the total. I think the problem with my code is that it doesn’t loop. Please help me with this, thank you.

def again():
        c = 0  
        a = int(input("a"))
        if a >= 1:
                b = int(input("b"))
                while a and b >= 1:
                        if b >= 1:
                                c += (a + b)
                                print("Result",c)
                                again()
                                break
                        if a >= 0 and b >= 0:
                                break
again()

Answer

Your logic and syntax has some errors and it’s hard to follow. Hope this code snippet below can help you:

def again():
    # ask user to input a number:
    total = 0   # to sum up all entering numbers...
   
    
    while True:
        x = int(input('Please enter a positive number, or zero/negative to "Exit": '))

        if x > 0:  total += x

        elif x <= 0:  # see negative number
            print(f' total: {total} ')
            break

        
    
again()

running (and input number)

Please enter a positive number, or negative to "Exit": 1
Please enter a positive number, or negative to "Exit": 2
Please enter a positive number, or negative to "Exit": 3
Please enter a positive number, or negative to "Exit": 4
Please enter a positive number, or negative to "Exit": 5
Please enter a positive number, or negative to "Exit": -1
 total: 15