code: def expressions_with_defaults(self, tree):
      expr_list = []
      for child in tree.children:
          if isinstance(child, Tree):
              if child.data == "expression_or_default":
                  expression = self.visit(child)
                  expr_list.append(expression)
      return expr_list
  
imports: import numpy
  from lark import Tree
  from evadb.catalog.catalog_type import ColumnType
  from evadb.expression.abstract_expression import ExpressionType
  from evadb.expression.comparison_expression import ComparisonExpression
  from evadb.expression.constant_value_expression import ConstantValueExpression
  from evadb.expression.logical_expression import LogicalExpression
  from evadb.utils.generic_utils import string_comparison_case_insensitive
label_desc: Use image node_id 10 for calling the Expressions obj's underlying member method code with example usage: obj.expressions_with_defaults(tree) and returns: expr_list