The main function (simple)

simple_main_function.py

import argparse
import pandas as pd
import os

def Main():
    print("In the main function")
    parser = argparse.ArgumentParser()
    parser.add_argument("--input_folder")
    parser.add_argument("--input_file_name")
    parser.add_argument("--output_folder")
    args = parser.parse_args()
    input_folder = args.input_folder
    input_file_name = args.input_file_name
    output_folder = args.output_folder
    print(f"input_folder is {input_folder}")
    mydf = pd.read_csv(os.path.join(input_folder, input_file_name))
    mydf.to_csv(os.path.join(output_folder,input_file_name))

if(__name__ == "__main__"):
    Main()