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CSE111 Lab Assignment no: 8

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Course Title: Programming Language II
Course Code: CSE111
Lab Assignment no: 8
Task – 1
Let’s Play with Numbers!!!
Write the ComplexNumber class so that the following code generates the output
below.
class RealNumber:

def __init__(self, r=0):
self.__realValue = r
def getRealValue(self):
return self.__realValue
def setRealValue(self, r):
self.__realValue = r
def __str__(self):
return ‘RealPart:
‘+str(self.getRealValue())

cn1 = ComplexNumber()
print(cn1)
print(‘———‘)
cn2 = ComplexNumber(5,7)
print(cn2)
OUTPUT:
RealPart: 1.0
ImaginaryPart: 1.0
——————–
RealPart: 5.0
ImaginaryPart: 7.0
Task – 2
Write the ComplexNumber class so that the following code generates the output
below.
class RealNumber:
def __init__(self, number=0):
self.number = number
def __add__(self, anotherRealNumber):
return self.number +
anotherRealNumber.number
def __sub__(self, anotherRealNumber):
return self.number –
anotherRealNumber.number
def __str__(self):
return str(self.number)
r1 = RealNumber(3)
r2 = RealNumber(5)
print(r1+r2)
cn1 = ComplexNumber(2, 1)
print(cn1)
cn2 = ComplexNumber(r1, 5)
print(cn2)
cn3 = cn1 + cn2
print(cn3)
cn4 = cn1 – cn2
print(cn4)
OUTPUT:
8
2 + 1i
3 + 5i
5 + 6i
-1 – 4i
Task – 3
Write the CheckingAccount class so that the following code generates the output
below:
class Account:
def __init__(self, balance):
self._balance = balance

def getBalance(self):
return self._balance

print(‘Number of Checking Accounts: ‘,
CheckingAccount.numberOfAccount)
print(CheckingAccount())
print(CheckingAccount(100.00))
print(CheckingAccount(200.00))
print(‘Number of Checking Accounts: ‘,
CheckingAccount.numberOfAccount)
OUTPUT:
Number of Checking
Accounts: 0
Account Balance: 0.0
Account Balance: 100.00
Account Balance: 200.00
Number of Checking
Accounts: 3
Task – 4
Write the Mango and the Jackfruit classes so that the following code generates the output
below:
class Fruit:
def __init__(self, formalin=False, name=”):
self.__formalin = formalin
self.name = name

def getName(self):
return self.name

def hasFormalin(self):
return self.__formalin

class testFruit:
def test(self, f):
print(‘—-Printing Detail—-‘)
if f.hasFormalin():
print(‘Do not eat
the’,f.getName(),’.’)
print(f)
else:
print(‘Eat the’,f.getName(),’.’)
print(f)

m = Mango()
j = Jackfruit()
t1 = testFruit()
t1.test(m)
t1.test(j)
OUTPUT:
—-Printing Detail—–
Do not eat the Mango.
Mangos are bad for you
—-Printing Detail—–
Eat the Jackfruit.
Jackfruits are good for you
Task – 5
Write the ScienceExam class so that the following code generates the output below:
class Exam:
def __init__(self,marks):
self.marks = marks
self.time = 60
def examSyllabus(self):
return “Maths , English”
def examParts(self):
return “Part 1 – Maths\nPart 2 – English\n”
engineering =
ScienceExam(100,90,”Physics”,”HigherMaths”)
print(engineering)
print(‘———————————-‘)
print(engineering.examSyllabus())
print(engineering.examParts())
print(‘==================================’)
architecture =
ScienceExam(100,120,”Physics”,”HigherMaths”,”Drawing
“)
print(architecture)
print(‘———————————-‘)
print(architecture.examSyllabus())
print(architecture.examParts())
OUTPUT:
Marks: 100 Time: 90 minutes Number
of Parts: 4
———————————-
Maths , English , Physics ,
HigherMaths
Part 1 – Maths
Part 2 – English
Part 3 – Physics
Part 4 – HigherMaths
==================================
Marks: 100 Time: 120 minutes Number
of Parts: 5
———————————-
Maths , English , Physics ,
HigherMaths , Drawing
Part 1 – Maths
Part 2 – English
Part 3 – Physics
Part 4 – HigherMaths
Part 5 – Drawing
Task – 6
Given the following class, write the code for the Sphere and the Cylinder
class so that the following output is printed.
class Shape3D:
pi = 3.14159
def __init__(self, name = ‘Default’, radius
= 0):
self._area = 0
self._name = name
self._height = ‘No need’
self._radius = radius
def calc_surface_area(self):
return 2 * Shape3D.pi * self._radius
def __str__(self):
return “Radius: “+str(self._radius)
sph = Sphere(‘Sphere’, 5)
print(‘———————————-‘)
sph.calc_surface_area()
print(sph)
print(‘==================================’)
cyl = Cylinder(‘Cylinder’, 5, 10)
print(‘———————————-‘)
cyl.calc_surface_area()
OUTPUT:
Shape name: Sphere, Area Formula: 4 * pi
* r * r
———————————-
Radius: 5, Height: No need
Area: 314.159
==================================
Shape name: Cylinder, Area Formula: 2 *
pi * r * (r + h)
———————————-
Radius: 5, Height: 10
Area: 471.2385
print(cyl)
Task – 7
Write the PokemonExtra class so that the following code generates the output below:
class PokemonBasic:
def __init__(self, name = ‘Default’, hp = 0,
weakness = ‘None’, type = ‘Unknown’):
self.name = name
self.hit_point = hp
self.weakness = weakness
self.type = type
def get_type(self):
return ‘Main type: ‘ + self.type
def get_move(self):
return ‘Basic move: ‘ + ‘Quick Attack’
def __str__(self):
return “Name: ” + self.name + “, HP: ” +
str(self.hit_point) + “, Weakness: ” +
self.weakness
print(‘\n————Basic Info:————–‘)
pk = PokemonBasic()
print(pk)
print(pk.get_type())
print(pk.get_move())
OUTPUT:
————Basic Info:————–
Name: Default, HP: 0, Weakness: None
Main type: Unknown
Basic move: Quick Attack
————Pokemon 1
Info:————–
Name: Charmander, HP: 39, Weakness:
Water
Main type: Fire
Basic move: Quick Attack
————Pokemon 2
Info:————–
Name: Charizard, HP: 78, Weakness:
Water
Main type: Fire, Secondary type:
Flying
Basic move: Quick Attack
Other move: Fire Spin, Fire Blaze
print(‘\n————Pokemon 1
Info:————-‘)
charmander = PokemonExtra(‘Charmander’, 39,
‘Water’, ‘Fire’)
print(charmander)
print(charmander.get_type())
print(charmander.get_move())
print(‘\n————Pokemon 2
Info:————-‘)
charizard = PokemonExtra(‘Charizard’, 78,
‘Water’, ‘Fire’, ‘Flying’, (‘Fire Spin’, ‘Fire
Blaze’))
print(charizard)
print(charizard.get_type())
print(charizard.get_move())
Task – 8
Implement the design of the FootBallTeam and the CricketTeam classes that inherit
from Team class so that the following code generates the output below:
Driver Code Output
class Team:
def __init__(self, name):
self.name = “default”
self.total_player = 5
def info(self)
print(“We love sports”)
# Write your code here.
class Team_test:
def check(self, tm):
print(“=========================”)
print(“Total Player: “,
tm.total_player)
tm.info()
=========================
Total Player: 11
Our name is Brazil
We play Football
We love sports
=========================
Total Player: 11
Our name is Bangladesh
We play Cricket
We love sports
f = FootBallTeam(“Brazil”)
c = CricketTeam(“Bangladesh”)
test = Team_test()
test.check(f)
test.check(c)
Task – 9
Implement the design of the Pikachu and Charmander classes that are derived from
the Pokemon class so that the following output is produced:
Driver Code Output
class Pokemon:
def __init__(self, p):
self.pokemon = p
self.pokemon_type = “Needs to be set”
self.pokemon_weakness = “Needs to be
set”
def kind(self):
return self.pokemon_type
def weakness(self):
return self.pokemon_weakness
def what_am_i(self):
print(“I am a Pokemon.”)
Pokemon: Pikachu
Type: Electric
Weakness: Ground
I am a Pokemon.
I am Pikachu.
========================
Pokemon: Charmander
Type: Fire
Weakness: Water, Ground and
Rock
I am a Pokemon.
I am Charmander.
pk1 = Pikachu()
print(“Pokemon:”, pk1.pokemon)
print(“Type:”, pk1.kind())
print(“Weakness:”, pk1.weakness())
pk1.what_am_i()
print(“========================”)
c1 = Charmander()
print(“Pokemon:”, c1.pokemon)
print(“Type:”, c1.kind())
print(“Weakness:”, c1.weakness())
c1.what_am_i()
Task – 10
Implement the design of the CSE and EEE classes that are derived from the
Department class so that the following output is produced:
Driver Code Output
class Department:
def __init__(self, s):
self.semester = s
self.name = “Default”
self.id = -1
def student_info(self):
print(“Name:”, self.name)
print(“ID:”, self.id)
Name: Rahim
ID: 16101328
Courses Approved to this CSE student
in Spring2016 semester :
CSE110
MAT110
ENG101
==================
Name: Tanzim
ID: 18101326
def courses(self, c1, c2, c3):
print(“No courses Approved
yet!”)
s1 = CSE(“Rahim”,
16101328,”Spring2016″)
s1.student_info()
s1.courses(“CSE110”, “MAT110”,
“ENG101”)
print(“==================”)
s2 = EEE(“Tanzim”, 18101326,
“Spring2018”)
s2.student_info()
s2.courses(“Mat110”, “PHY111”,
“ENG101”)
print(“==================”)
s3 = CSE(“Rudana”, 18101326,
“Fall2017”)
s3.student_info()
s3.courses(“CSE111”, “PHY101”,
“MAT120”)
print(“==================”)
s4 = EEE(“Zainab”, 19201623,
“Summer2019”)
s4.student_info()
s4.courses(“EEE201”, “PHY112”,
“MAT120″)
Courses Approved to this EEE student
in Spring2018 semester:
Mat110
PHY111
ENG101
==================
Name: Rudana
ID: 18101326
Courses Approved to this CSE student
in Fall2017 semester:
CSE111
PHY101
MAT120
==================
Name: Zainab
ID: 19201623
Courses Approved to this EEE student
in Summer2019 semester:
EEE201
PHY112
MAT120
Task – 11
1 class A:
2 def __init__(self):
3 self.temp = 4
4 self.sum = 1
5 self.y = 2
6 self.y = self.temp – 2
7 self.sum = self.temp + 3
8 self.temp -= 2
9 def methodA(self, m, n):
10 x = 0
11 self.y = self.y + m + self.temp
12 self.temp += 1
13 x = x + 2 + n
14 self.sum = self.sum + x + self.y
15 print(x, self.y, self.sum)
16
17 class B(A):
18 def __init__(self, b=None):
19 super().__init__()
20 self.x = 1
21 self.sum = 2
22 if b == None:
23 self.y = self.temp + 3
24 self.sum = 3 + self.temp + 2
25 self.temp -= 1
26 else:
27 self.sum = b.sum
28 self.x = b.x
29 def methodB(self, m, n):
30 y = 0
31 y = y + self.y
32 self.x = y + 2 + self.temp
33 self.methodA(self.x, y)
34 self.sum = self.x + y + self.sum
35 print(self.x, y, self.sum)
Write the output of the following code:
a1 = A()
b1 = B()
b2 = B(b1)
a1.methodA(1, 1)
b1.methodA(1, 2)
b2.methodB(3, 2)
Output:
x y sum
Task – 12
1 class A:
2 temp = 4
3 def __init__(self):
4 self.sum = 0
5 self.y = 0
6 self.y = A.temp – 2
7 self.sum = A.temp + 1
8 A.temp -= 2
9 def methodA(self, m, n):
10 x = 0
11 self.y = self.y + m + (A.temp)
12 A.temp += 1
13 x = x + 1 + n
14 self.sum = self.sum + x + self.y
15 print(x, self.y, self.sum)
16
17 class B(A):
18 x = 0
19 def __init__(self,b=None):
20 super().__init__()
21 self.sum = 0
22 if b==None:
23 self.y = A.temp + 3
24 self.sum = 3 + A.temp + 2
25 A.temp -= 2
26 else:
27 self.sum = b.sum
28 B.x = b.x
29 b.methodB(2, 3)
30 def methodB(self, m, n):
31 y = 0
32 y = y + self.y
33 B.x = self.y + 2 + A.temp
34 self.methodA(B.x, y)
35 self.sum = B.x + y + self.sum
36 print(B.x, y, self.sum)
Write the output of the following code:
a1 = A()
b1 = B()
b2 = B(b1)
Output:
x y sum
b1.methodA(1, 2)
b2.methodB(3, 2)
Task – 13
1 class A:
2 temp = 3
3 def __init__(self):
4 self.sum = 0
5 self.y = 0
6 self.y = A.temp – 1
7 self.sum = A.temp + 2
8 A.temp -= 2
9
10 def methodA(self, m, n):
11 x = 0
12 n[0] += 1
13 self.y = self.y + m + A.temp
14 A.temp += 1
15 x = x + 2 + n[0]
16 n[0] = self.sum + 2
17 print(f”{x} {self.y} {self.sum}”)
18
19 class B(A):
20 x = 1
21 def __init__(self, b = None):
22 super().__init__()
23 self.sum = 2
24 if b == None:
25 self.y = self.temp + 1
26 B.x = 3 + A.temp + self.x
27 A.temp -= 2
28 else:
29 self.sum = self.sum + self.sum
30 B.x = b.x + self.x
31 def methodB(self, m, n):
32 y = [0]
33 self.y = y[0] + self.y + m
34 B.x = self.y + 2 + self.temp – n
35 self.methodA(self.x, y)
36 self.sum = self.x + y[0] + self.sum
37 print(f”{self.x} {y[0]} {self.sum}”)
Write the output of the following code:
x = [23]
a1 = A()
b1 = B()
b2 = B(b1)
a1.methodA(1, x)
b2.methodB(3, 2)
a1.methodA(1, x)
Output:
x y sum
Task – 14
1 class A:
2 temp = 7
3 def __init__(self):
4 self.sum, self.y = 0, 0
5 self.y = A.temp – 1
6 self.sum = A.temp + 2
7 A.temp -= 3
8 def methodA(self, m, n):
9 x = 4
10 n[0] += 1
11 self.y = self.y + m + A.temp
12 A.temp += 2
13 x = x + 3 + n[0]
14 n[0] = self.sum + 2
15 print(f”{x} {self.y} {self.sum}”)
16 def get_A_sum(self):
17 return self.sum
18 def update_A_y(self, val):
19 self.y = val
20 class B(A):
21 x = 2
22 def __init__(self, b = None):
23 super().__init__()
24 self.sum = 2
25 if b == None:
26 self.y = self.temp + 1
27 B.x = 4 + A.temp + self.x
28 A.temp -= 2
29 else:
30 self.sum = self.sum + self.get_A_sum()
31 B.x = b.x + self.x
32 def methodB(self, m, n):
33 y = [0]
34 self.update_A_y(y[0] + self.y + m)
35 B.x = self.y + 4 + self.temp – n
36 self.methodA(self.x, y)
37 self.sum = self.x + y[0] + self.get_A_sum()
38 print(f”{self.x} {y[0]} {self.sum}”)
Write the output of the following code:
x = [32]
a1 = A()
b1 = B()
b2 = B(b1)
a1.methodA(2, x)
b2.methodB(2, 3)
a1.methodA(3, x)
Output:
x y sum

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