q1.py

@app.route('/hello/')
@app.route('/hello/<name>')
def hello(name=None):
    if not name:
        return "Please type a name"

    #open shelve
    filename = 'names.db'
    d = shelve.open(filename)

    #get names from shelve if it exists in shelve.
    names = []
    if d.has_key('names'):
        names = d['names']
    
    #add name to names list
    names.append(name)
    
    #put names list into shelve
    d['names'] = names
    
    #save & close shelve
    d.close()

    return 'Name has been saved to Shelve'