code: def __init__(
      self, _text, _subtype="plain", _charset=None, *, policy=None
  ):
      """Create a text/* type MIME document.
  
      _text is the string for this message object.
  
      _subtype is the MIME sub content type, defaulting to "plain".
  
      _charset is the character set parameter added to the Content-Type
      header.  This defaults to "us-ascii".  Note that as a side-effect, the
      Content-Transfer-Encoding header will also be set.
      """
  
      # If no _charset was specified, check to see if there are non-ascii
      # characters present. If not, use 'us-ascii', otherwise use utf-8.
      # XXX: This can be removed once #7304 is fixed.
      if _charset is None:
          try:
              _text.encode("us-ascii")
              _charset = "us-ascii"
          except UnicodeEncodeError:
              _charset = "utf-8"
  
      MIMENonMultipart.__init__(
          self,
          "text",
          _subtype,
          policy=policy,
          **{"charset": str(_charset)},
      )
  
      self.set_payload(_text, _charset)
  
imports: from email.charset import Charset
  from email.mime.nonmultipart import MIMENonMultipart
label_desc: Use image node_id 1 to create a new MIMEText object from inherited base classes: MIMENonMultipart with example: obj = MIMEText(_text, _subtype, _charset)