Make turtledemo 2.7 help show file contents, not file name. #66023

assignee = 'https://github.com/terryjreedy'
closed_at = <Date 2014-06-22.06:33:14.645>
created_at = <Date 2014-06-22.05:50:45.153>
labels = ['type-bug']
title = 'Make turtledemo 2.7 help show file contents, not file name.'
updated_at = <Date 2014-06-22.06:33:14.644>
user = 'https://github.com/terryjreedy'

activity = <Date 2014-06-22.06:33:14.644>
actor = 'terry.reedy'
assignee = 'terry.reedy'
closed = True
closed_date = <Date 2014-06-22.06:33:14.645>
closer = 'terry.reedy'
components = []
creation = <Date 2014-06-22.05:50:45.153>
creator = 'terry.reedy'
dependencies = []
files = []
hgrepos = []
issue_num = 21824
keywords = []
message_count = 2.0
messages = ['221219', '221222']
nosy_count = 2.0
nosy_names = ['terry.reedy', 'python-dev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue21824'
versions = ['Python 2.7']