The python program for any of the given values is as written below.
We are told to use input for the python program as;
2, 4, 3, -1
Now, the python program using 2 as user value and 1 as total product gives us the program as;
total_product = 1
user_value = (input(1)) #while user_value > 0:
total_product = total_product * user_value
user_value = (input(2))
print('Product:2', total_product, end='2')
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