code: def get_content(self, msg, *args, **kw):
      content_type = msg.get_content_type()
      if content_type in self.get_handlers:
          return self.get_handlers[content_type](msg, *args, **kw)
      maintype = msg.get_content_maintype()
      if maintype in self.get_handlers:
          return self.get_handlers[maintype](msg, *args, **kw)
      if "" in self.get_handlers:
          return self.get_handlers[""](msg, *args, **kw)
      raise KeyError(content_type)
  
imports: import binascii
  import email.charset
  import email.message
  import email.errors
  from email import quoprimime
label_desc: Use image node_id 3 for calling the ContentManager obj's underlying member method code with example usage: obj.get_content(msg) and returns: self, self, self