code: def change_password(self, old_password, new_password):
  		
  		body = self._formdata({
  			"old_password": old_password,
  			"password": new_password,
  		}, ["old_password", "password"])
  		content = self._fetch("/current_user/password", method="POST", body=body)
  		return FastlyUser(self, content)
docs: Update the user's password to a new one.