Best Python code snippet using refurb_python
expr.py
Source:expr.py  
...13    def visit_variable_expr(self, expr): pass14    @abstractmethod15    def visit_cast_expr(self, expr):     pass16    @abstractmethod17    def visit_call_expr(self, expr):     pass18  19  class Listed:20    def __init__(self, operator, children=[]):21      self.operator = operator22      self.children = children23    def accept(self, visitor):24      return visitor.visit_listed_expr(self)25  class Assign:26    def __init__(self, name, value):27      self.name  = name28      self.value = value29    def accept(self, visitor):30      return visitor.visit_assign_expr(self)31  class Cast:32    def __init__(self, name, kind):33      self.name = name34      self.kind = kind35    def accept(self, visitor):36      return visitor.visit_cast_expr(self)37  class Call:38    def __init__(self, callee, paren, args):39      self.callee = callee40      self.paren  = paren41      self.args   = args42    def accept(self, visitor):43      return visitor.visit_call_expr(self)44  45  class Literal:46    def __init__(self, value):47      self.value = value48    def accept(self, visitor):49      return visitor.visit_literal_expr(self)50  class Grouping:51    def __init__(self, expression):52      self.expression = expression53    def accept(self, visitor):54      return visitor.visit_group_expr(self)55  56  class Variable:57    def __init__(self, name, value=None):...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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