import panel as pn
pn.extension()

autocomplete = pn.widgets.AutocompleteInput(
    name='Autocomplete Input', options=['Biology', 'Chemistry', 'Physics'],
    placeholder='Write something here')

autocomplete

autocomplete.value

not_restricted = autocomplete.clone(value='Mathematics', restrict=False)
not_restricted

not_restricted.value

pn.Row(autocomplete.controls(jslink=True), autocomplete)