Day-4_Lecture-6

#OOPs

#ENCAPSULATION: grouping of similar data
#ASBSTRACTION: hiding the complexities
#INHERITENCE: helps in reusability of code
#POLYMORPHISM: many forms

class KhaliClass:
    pass

class Student:
    def __init__(self, name, age, number):
        self.s_name = name
        self.s_age = age
        self.s_number = number

    def display_name(self):
        return self.s_name

    def display_age(self):
        return self.s_age

s1 = Student("Rishab", 23, 989283798)
s2 = Student("Rahul", 25, 39694023)
#print(s1.s_name)
s1.s_name = "Mohit"
print(s1.s_name)
print(s1.s_age)
print(s1.s_number)

s1.s_age = 23
s1.s_number = 989989888
print(s1.display_age())

s2.s_address = "Delhi"

print(Student.__dict__)
print(s1.__dict__)
print(s2.__dict__)


print("---------------------------------------------------------")
print("")
print("")

class Student:
    def __init__(self, name, age, number):
        self.s_name = name
        self.s_age = age
        self.s_number = number

    def display_name(self):
        return self.s_name

    def display_age(self):
        return self.s_age

s1 = Student("Rishab", 23, 989283798)
s2=s1
s2.s_name = "Mohit"
print(s1.__dict__)
print(s2.__dict__)

print("")
print("")
print("---------------------------------------------------------")
print("")
print("")

class Student1:
    def __init__(self, name, age, mark):
        self.s_name = name
        self.s_age = age
        self.s_marks = mark

    def display_name(self):
        return self.s_name

    def display_marks(self):
        return self.s_marks

    def get_avg(self):
        sum_of_marks = 0
        for i in self.s_marks:
            sum_of_marks += i
        avg = sum_of_marks/len(self.s_marks)
        self.s_avg = avg

s1 = Student1("Rishab", 23, [100,90,80,70])
s2 = Student1("Rohit", 25, [10,9,8,7])
print(s1.display_marks())
s1.get_avg()
s2.get_avg()
print(s1.s_avg)
print(s1.__dict__)
print(s2.__dict__)


print("")
print("")
print("---------------------------------------------------------")
print("")
print("")

class Student1:
    def __init__(self, name, age, mark):
        self.s_name = name
        self.s_age = age
        self.s_marks = mark

    def display_name(self):
        return self.s_name

    def display_marks(self):
        return self.s_marks

    def get_avg(self):
        sum_of_marks = 0
        for i in self.s_marks:
            sum_of_marks += i
        avg = sum_of_marks//len(self.s_marks)
        self.s_avg = avg

    def assign_roll(self, roll):
        self.s_roll = roll

    def assign_grade(self):
        if self.s_avg > 90:
            self.s_grade = "A"
        elif 80 < self.s_avg <= 90:
            self.s_grade = "B"
        elif 70 < self.s_avg <= 80:
            self.s_grade = "C"
        else:
            self.s_grade = "D"

s1 = Student1("a", 23, [100,90,80,70])
s2 = Student1("b", 25, [80,90,60,70])
s3 = Student1("c", 23, [10,90,80,70])
s4 = Student1("d", 25, [90,69,48,72])
s5 = Student1("e", 23, [50,94,0,20])
s6 = Student1("f", 25, [10,9,8,7])
s7 = Student1("g", 23, [100,90,80,70])
s8 = Student1("h", 25, [10,9,8,7])

l = [s1,s2,s3,s4,s5,s6,s7,s8]

for i in range(len(l)):
    l[i].assign_roll(i+1)

for i in range(len(l)):
    l[i].get_avg()

for i in range(len(l)):
    l[i].assign_grade()

for i in range(len(l)):
    print(l[i].__dict__)

print(t1.isworking(2))
print(t2.isworking(3))
print(Teacher.isworking(7))


print("")
print("")
print("----------------------------------------------------------------")
print("")
print("")


class School:
    def __init__(self, name, age):
        self.name = name
        self.age = age


class Teacher(School):
    def __init__(self, name, age, subject):
        super().__init__(name,age)
        self.subject = subject

t1 = Teacher("Rishab", 23, "Maths")

print(t1.name)

class School:
    def __init__(self, name, age):
        self.name = name
        self.age = age

class Teacher(School):
    def __init__(self, name, age, subject):
        super().__init__(name,age)
        self.subject = subject

class CoachingCenter:
    def __init__(self, exam):
        self.exam = exam

class Student(School, CoachingCenter):
    def __init__(self, name, age, standard, exam):
        School.__init__(self, name, age)
        CoachingCenter.__init__(self, exam)
        self.standard = standard

t1 = Teacher("rishab", 23, "Maths")
print(t1.name, t1.age, t1.subject)
s1 = Student("rohit", 25, 10, "JEE")

print(s1.name, s1.age, s1.standard, s1.exam)

class School:
    def __init__(self, name, age):
        self.name = name
        self.age = age

class Teacher(School):
    def __init__(self, name, age, subject):
        super().__init__(name,age)
        self.subject = subject

class Student(Teacher):
    def __init__(self, name, age, subject, roll):
        super().__init__(name, age, subject)
        self.roll = roll

s1 = Student("Rishab", 25, "M", 1)

print(s1.name)