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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _CaptureUserId(self):
 """Captures the user id of the end user, if possible."""

    user_kind, user_id = user_id_collector()
    if user_kind and user_id:
      self.breakpoint['evaluatedUserId'] = {'kind': user_kind, 'id': user_id}