python
import click
@click.command()
@click.argument('name', autocompletion=my_autocomplete_function)
def greet(name):
click.echo(f"Hello, {name}!")
def my_autocomplete_function(ctx, incomplete):
completions = ["world", "click", "python"]
return [c for c in completions if c.startswith(incomplete)]
if __name__ == '__main__':
greet()
python
from prompt_toolkit import PromptSession
def main():
session = PromptSession(history=my_command_history_function)
text = session.prompt('>>> ')
print(f'You entered: {text}')
def my_command_history_function():
return ['command1', 'command2', 'command3']
if __name__ == '__main__':
main()
