标签：python return staticmethod __str__
class Man(object):
def __init__(self,name,phone):
self.name=name
self.phone=phone
def Info_p(self):
return "Person %s has phone %s "%(self.name,self.phone)
class Student(Man):
gpa_total = []
def __init__(self,name,phone,gpa):
Man.__init__(self,name,phone)
self.gpa=gpa
Student.gpa_total.append(self.gpa)
@staticmethod
def mean_gpa():
return sum(Student.gpa_total) / float(len(Student.gpa_total))
def info_gpa(self):
reply = self.Info_p()
reply += "\n and is Student with gpa %s "%self.gpa
return reply
def __str__(self):
return self.info_gpa()
class Employee(Man):
emp_total = []
def __init__(self,name,phone,empolyee):
Man.__init__(self,name,phone)
self.empolyee=empolyee
Employee.emp_total.append(self.empolyee)
@staticmethod
def total_salary():
return sum(Employee.emp_total)
def info_em(self):
reply = self.Info_p()
reply += "\n and is an Employee with salary %s"%(self.empolyee)
return reply
class Staff(Employee):
def __init__(self,name,phone,empolyee,staff):
Employee.__init__(self,name,phone,empolyee)
self.staff=staff
def info_staff(self):
reply = self.info_em()
reply += "\n and is Staff with title %s"%self.staff
return reply
def __str__(self):
return self.info_staff()
class Professor(Employee):
def __init__(self,name,phone,empolyee,mingchen):
Employee.__init__(self,name,phone,empolyee)
self.mingchen=mingchen
def Info_M(self):
reply = self.info_em()
reply += "\n and is a Professor assigned to class %s"%self.mingchen
return reply
def __str__(self):
return self.Info_M()
People = [Student("Sandy","326-8324",3.65),Student("Jordan","632-7434",3.1),Professor("Leslie","985-2363",50000.00,"Info 501"),Staff("Alex","743-4638",25000.00,"Editor")]
print "These are the people in the university: "
for person in People:
print person
print
print "Our total university payroll budget is :" +str(Employee.total_salary())
print "Our average student GPA is :" +str(Student.mean_gpa())These are the people in the university: Person Sandy has phone 326-8324 and is Student with gpa 3.65 Person Jordan has phone 632-7434 and is Student with gpa 3.1 Person Leslie has phone 985-2363 and is an Employee with salary 50000.0 and is a Professor assigned to class Info 501 Person Alex has phone 743-4638 and is an Employee with salary 25000.0 and is Staff with title Editor Our total university payroll budget is :75000.0 Our average student GPA is :3.375
本文出自 “知识在于积累” 博客，请务必保留此出处http://goooood.blog.51cto.com/5060201/1579488
标签：python return staticmethod __str__
原文地址：http://goooood.blog.51cto.com/5060201/1579488
