[Python] create and publish commandline using click

I am new to click command. I am trying to write on terminal something like: hello project template list which should then call a function to simply read a json file and print the content on the terminal. I have figured out the way to do so using only hello list but I want to know how hello project template list could be done. I have tried the below code:

import click
import json

@click.group()
def cli():
pass

@cli.command(name='to print something')
def project():
# click.echo('hello project template list')
with open('template.json', ) as f:
data = json.load(f)
for i in data['project_template']:
print()
print("Template name: ", i['template_name'])
print("GitHub location: ", i['github_location'])
print("Project Description: ", i['project_description'])
print()


if __name__ == "__main__":
cli()

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