innerclass.py, Python 3

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#python 3.5.2
#inner class concept
class Student:
    def __init__(self,name,roll,age,addr,gender):
        self.setName(name)
        self.setRoll(roll)
        self.setAge(age)
        self.setAddr(addr)
        self.setGender(gender)
        self.sc=self.School('BBM','Sarai')
    def setName(self,name):
        self.name=name
    def getName(self):
        return self.name
    def setRoll(self,roll):
        self.roll=roll
    def getRoll(self):
        return self.roll
    def setAge(self,age):
        self.age=age
    def getAge(self):
        return self.age
    def setAddr(self,addr):
        self.addr=addr
    def getAddr(self):
        return self.addr
    def setGender(self,gender):
        self.gender=gender
    def getGender(self):
        return self.gender
        
    def studentDetails(self):
        print('Student details','\n.............','\nName : ',self.getName(),'\nRoll : ',self.getRoll(),'\nAge : ',self.getAge(),'\nAddress : ',self.getAddr(),'\nGender : ',self.getGender())
        self.sc.schoolDetails()
        
    class School:
        def __init__(self,name,addr):
            self.setName(name)
            self.setAddr(addr)
        def setName(self,name):
            self.name=name
        def getName(self):
            return self.name
        def setAddr(self,addr):
            self.addr=addr
        def getAddr(self):
            return self.addr
        
        def schoolDetails(self):
            print('School : ',self.getName(),'\nAddress : ',self.getAddr())

s1=Student('Ansu','S101',13,'Sarai','Female')
s1.studentDetails()

s2=Student('Asu','S102',14,'Sarai','Male')
s2.studentDetails()

s3=Student('Abhi','S103',15,'Hajipur','Male')
s3.studentDetails()

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Absolute running time: 0.25 sec, cpu time: 0.22 sec, memory peak: 6 Mb, absolute service time: 0,27 sec