Variadic Functions in Prolog

Based on your input, the target language is Python. Here is the translated code and explanation for the “Variadic Functions” example:

Variadic functions can be called with any number of trailing arguments. For example, print is a common variadic function in Python.

Here’s a function that will take an arbitrary number of integers as arguments.

def sum(*nums):
    print(nums, " ")
    total = 0

    for num in nums:
        total += num
    print(total)

if __name__ == "__main__":
    sum(1, 2)  # Variadic functions can be called in the usual way with individual arguments
    sum(1, 2, 3)

    nums = [1, 2, 3, 4]  # If you already have multiple args in a list, apply them to a variadic function using * operator
    sum(*nums)

To run the program, save the code in a file (e.g., variadic_functions.py) and use python to execute it.

$ python variadic_functions.py
(1, 2)  
3
(1, 2, 3)  
6
(1, 2, 3, 4)
10

Another key aspect of functions in Python is their ability to form closures, which we’ll look at next.

Next example: Closures.