<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def is_json(self) -> bool: """Returns True if the content_type is json like."""

        content_type = self.mimetype
        if content_type == 'application/json' or (
                content_type.startswith('application/') and content_type.endswith('+json')
        ):
            return True
        else:
            return False