python3.2 字典

people = {          'Alice':{              'phone':'2341',              'addr':'Foo drive 23'          },          'Beth':{              'phone':'9102',              'addr':'Bar street 42'          },          'Cecil':{              'phone':'3158',              'addr':'Baz avenue 90'          }  }    labels = {           'phone':'phone number',           'addr': 'address'  }    name = input('Name: ')  request = input("Phone number (p) or address (a) ?")    if request == 'p':        key = 'phone'  if request == 'a':        key = 'addr'  if name in people:      print (("%s's %s is %s .") % (name, labels[key], people[name][key]))