Conver and <FILE>.rst into <FILE>.md

main.py

import os
import click


@click.command()
@click.option('--file', '-f', help='RST file to convert into Markdown. ')
def file_convert(file):
    click.echo(f'Converting {file}....')
    click.echo(f"Check Your dirictory for {str(file).replace('rst','md')}")
    os.mkdir('created')
    os.system(f"pandoc {file} -f rst -t markdown -o ./created/{file}.md")


if __name__ == '__main__':
    file_convert()

It's Working on my machine