human
Complete the below
def contact():

    ''''RESTful CRUD controller'
    '''
assistant
#Here is the Python code you requested.
    def prep(r):
        person_id = get_vars.get('person', None)
        if person_id:
            controller = get_vars.get('controller', 'pr')
            access = get_vars.get('access', None)
            if (access is None):
                method = 'contacts'
            elif (access == '1'):
                method = 'private_contacts'
            elif (access == '2'):
                method = 'public_contacts'
            s3db.configure('pr_contact', create_next=URL(c=controller, f='person', args=[person_id, method]), update_next=URL(c=controller, f='person', args=[person_id, method]))
            if (r.method == 'create'):
                table = s3db.pr_person
                pe_id = db((table.id == person_id)).select(table.pe_id, limitby=(0, 1)).first().pe_id
                table = s3db.pr_contact
                table.pe_id.default = pe_id
                if access:
                    table.access.default = access
        else:
            field = s3db.pr_contact.pe_id
            if (r.method in ('create', 'create.popup')):
                pe_id = get_vars.get('~.pe_id', None)
                if pe_id:
                    field.default = pe_id
                else:
                    field.label = T('Entity')
                    field.readable = field.writable = True
            else:
                field.label = T('Entity')
                field.readable = field.writable = True
                from s3 import S3TextFilter, S3OptionsFilter
                filter_widgets = [S3TextFilter(['value', 'comments'], label=T('Search'), comment=T('You    can    search    by    value    or    comments.')), S3OptionsFilter('contact_method')]
                s3db.configure('pr_contact', filter_widgets=filter_widgets)
        return True
    s3.prep = prep
    output = s3_rest_controller()
    return output