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class Emploee:

def __init__(self, name):

self.name = name

def accept(self, boss):

pass

class Programer(Emploee):

def accept(self, boss):

if type(boss) == CTO:

boss.visit(self)

class Manager(Emploee):

def accept(self, boss):

if type(boss) == CEO:

boss.visit(self)

class Boss:

def visit(self, emploee):

pass

class CEO(Boss):

def visit(self, manager):

print('ceo 访问经理', manager.name)

class CTO(Boss):

def visit(self, programer):

print('cto 访问码农', programer.name)

class Report:

def __init__(self):

self.emploees = []

def add(self, emp):

self.emploees.append(emp)

def remove(self, emp):

self.emploees.remove(emp)

def show_report(self, boss):

for emp in self.emploees:

emp.accept(boss)

if __name__ == '__main__':

ceo = CEO()

cto = CTO()

report = Report()

report.add(Programer('小张'))

report.add(Programer('小林'))

report.add(Programer('小陈'))

report.add(Manager('高总'))

report.add(Manager('郭总'))

report.add(Manager('林总'))

report.show_report(ceo)

report.show_report(cto)