class_docstr: Base class for all Statements
  
  Attributes
  ----------
  stmt_type : StatementType
      the type of this statement - Select or Insert etc
code: def __init__(self, stmt_type: StatementType):
      self._stmt_type = stmt_type
  
imports: from copy import deepcopy
  from evadb.parser.types import StatementType
label_desc: Use image node_id 1 to create a new AbstractStatement object  with example: obj = AbstractStatement(stmt_type)