Node.js child_process.execFile() method example to add two numbers using python script

add_numbers.py

import sys

def add_numbers(number1, number2):
    try:
        result = float(number1) + float(number2)
        print(result)
    except ValueError:
        print("Invalid input. Please provide valid numbers!!!")

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("add_numbers.py <number1> <number2>")
        sys.exit(1)

    number1 = sys.argv[1]
    number2 = sys.argv[2]

    add_numbers(number1, number2)

nodejs_child_process_execFile_method.js

const { execFile } = require('child_process');
const path = require('path');

const pythonScriptPath = path.join(__dirname, 'add_numbers.py');

const num1 = 10;
const num2 = 17;

execFile('python', [pythonScriptPath, num1, num2], (error, stdout, stderr) => {

if (error) {
	console.error(`Error executing Python script: ${error}`);
	return;
}

console.log('Python Script: Executed successfully!');
console.log('Result:', stdout);
});