Why can not initialize the class?

[Antoon Pardon]

On 23-08-14 01:20, Terry Reedy wrote:

> On 8/22/2014 10:26 AM, luofeiyu wrote:
>> System:win7+python34.
>>      class Contact(object):
>>          def __init__(self, first_name=None, last_name=None,
>>                       display_name=None, email=None):
>>              self.first_name = first_name
>>              self.last_name = last_name
>>              self.display_name = display_name
>>              self.email = email
>>          def print_info(self):
>>              print(self.display_name, "<" + self.email + ">"  )
>>          def set_email(self, value):
>>              if '@' not in value:
>>                  raise Exception("This doesn't look like an email
>> address.")
>>              self._email = value
>>          def get_email(self):
>>              return self._email
>>          email = property(get_email, set_email)
>>      contact = Contact()
> By posting code with an extra indent, you make it imposible to run by 
> just cutting and pasting. You should already know that.
>