T.Y.B.B.A.(C.A.) Semester – V (CBCS 2019 Pattern) University Practical Examination Lab Course: (CA-506) Python
Slip 1
A) Write a Python program to accept n numbers in list and remove duplicates from a list. [15 M]
CODE :
marks =[]
n=int(input('Enter number of elements : '))
for i in range(n):
value=int(input())
marks.append(value)
print(marks)
new_marks=[]
for x in marks:
if x not in new_marks:
new_marks.append(x)
print(new_marks)
n=int(input('Enter number of elements : '))
for i in range(n):
value=int(input())
marks.append(value)
print(marks)
new_marks=[]
for x in marks:
if x not in new_marks:
new_marks.append(x)
print(new_marks)
B) Write a Python GUI program to take accept your birthdate and output your age when a button is pressed. [25 M]
CODE :
from tkinter import *
from tkinter import messagebox
def clearAll() :
dayField.delete(0, END)
monthField.delete(0, END)
yearField.delete(0, END)
givenDayField.delete(0, END)
givenMonthField.delete(0, END)
givenYearField.delete(0, END)
rsltDayField.delete(0, END)
rsltMonthField.delete(0, END)
rsltYearField.delete(0, END)
def checkError() :
if (dayField.get() == "" or monthField.get() == ""
or yearField.get() == "" or givenDayField.get() == ""
or givenMonthField.get() == "" or givenYearField.get() == "") :
messagebox.showerror("Input Error")
clearAll()
return -1
def calculateAge() :
value = checkError()
if value == -1 :
return
else :
birth_day = int(dayField.get())
birth_month = int(monthField.get())
birth_year = int(yearField.get())
given_day = int(givenDayField.get())
given_month = int(givenMonthField.get())
given_year = int(givenYearField.get())
month =[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
if (birth_day > given_day):
given_month = given_month - 1
given_day = given_day + month[birth_month-1]
if (birth_month > given_month):
given_year = given_year - 1
given_month = given_month + 12
calculated_day = given_day - birth_day;
calculated_month = given_month - birth_month;
calculated_year = given_year - birth_year;
rsltDayField.insert(10, str(calculated_day))
rsltMonthField.insert(10, str(calculated_month))
rsltYearField.insert(10, str(calculated_year))
if __name__ == "__main__" :
gui = Tk()
gui.configure(background = "light green")
gui.title("Age Calculator")
gui.geometry("525x260")
dob = Label(gui, text = "Date Of Birth", bg = "#00ffff")
givenDate = Label(gui, text = "Given Date", bg = "#00ffff")
day = Label(gui, text = "Day", bg = "light green")
month = Label(gui, text = "Month", bg = "light green")
year = Label(gui, text = "Year", bg = "light green")
givenDay = Label(gui, text = "Given Day", bg = "light green")
givenMonth = Label(gui, text = "Given Month", bg = "light green")
givenYear = Label(gui, text = "Given Year", bg = "light green")
rsltYear = Label(gui, text = "Years", bg = "light green")
rsltMonth = Label(gui, text = "Months", bg = "light green")
rsltDay = Label(gui, text = "Days", bg = "light green")
resultantAge = Button(gui, text = "Resultant Age", fg = "Black",
bg = "gray", command = calculateAge)
clearAllEntry = Button(gui, text = "Clear All", fg = "Black",
bg = "Red", command = clearAll)
dayField = Entry(gui)
monthField = Entry(gui)
yearField = Entry(gui)
givenDayField = Entry(gui)
givenMonthField = Entry(gui)
givenYearField = Entry(gui)
rsltYearField = Entry(gui)
rsltMonthField = Entry(gui)
rsltDayField = Entry(gui)
dob.grid(row = 0, column = 1)
day.grid(row = 1, column = 0)
dayField.grid(row = 1, column = 1)
month.grid(row = 2, column = 0)
monthField.grid(row = 2, column = 1)
year.grid(row = 3, column = 0)
yearField.grid(row = 3, column = 1)
givenDate.grid(row = 0, column = 4)
givenDay.grid(row = 1, column = 3)
givenDayField.grid(row = 1, column = 4)
givenMonth.grid(row = 2, column = 3)
givenMonthField.grid(row = 2, column = 4)
givenYear.grid(row = 3, column = 3)
givenYearField.grid(row = 3, column = 4)
resultantAge.grid(row = 4, column = 2)
rsltYear.grid(row = 5, column = 2)
rsltYearField.grid(row = 6, column = 2)
rsltMonth.grid(row = 7, column = 2)
rsltMonthField.grid(row = 8, column = 2)
rsltDay.grid(row = 9, column = 2)
rsltDayField.grid(row = 10, column = 2)
clearAllEntry.grid(row = 12, column = 2)
gui.mainloop()
Slip 2
A) Write a Python function that accepts a string and calculate the number of upper case letters and lower case letters. Sample String: 'The quick Brown Fox' Expected Output: No. of Upper case characters: 3 No. of Lower case characters: 13 [15 M]
CODE :
string=input('enter a string : ')
up=low=ele=0
for x in string:
if x.isupper():
up+=1
elif x.islower():
low+=1
else:
ele+=1
print('No. of Upper case characters : ',up)
print('No. of Lower case characters : ',low)
print('other special symbols',ele)
B) Write Python GUI program to create a digital clock with Tkinter to display the time. [25 M]
CODE :
from tkinter import *
from tkinter.ttk import *
from time import strftime
root = Tk()
root.title('Clock')
def time():
string = strftime('%H:%M:%S %p')
lbl.config(text = string)
lbl.after(1000, time)
lbl = Label(root, font = ('calibri', 40, 'bold'),
background = 'purple',
foreground = 'white')
lbl.pack(anchor = 'center')
time()
mainloop()
Slip 3
A) Write a Python program to check if a given key already exists in a dictionary. If key exists replace with another key/value pair. [15 M]
CODE :
Dict={}
n=int(input('enter number of keys :'))
for x in range(0,n):
key=input('enter the key :')
if key in Dict:
print('the given key exists!')
for key in Dict.keys():
print(key,end=' ')
print('\n ^ use differnt keys from above list')
key=input('enter the key :')
value=input('enter the value :')
Dict[key]=value
print(Dict)
B) Write a python script to define a class student having members roll no, name, age, gender. Create a subclass called Test with member marks of 3 subjects. Create three objects of the Test class and display all the details of the student with total marks. [25 M]
Code :
class Student():
def __init__(self,roll_no,name,age,gender):
self.roll_no=roll_no
self.name=name
self.age=age
self.gender=gender
class Test(Student):
def __init__(self,roll_no,name,age,gender,sub1mark,sub2mark,sub3mark,):
super().__init__(roll_no,name,age,gender)
self.mark1=sub1mark
self.mark2=sub2mark
self.mark3=sub3mark
def get_marks(self):
self.total=self.mark1+self.mark2+self.mark3
print(self.name , "\b's marks:", self.total)
print("sub1 marks :",self.mark1)
print("sub2 marks :",self.mark2)
print("sub3 marks :",self.mark3)
p1=Test(1,"amar",19,'male',82,89,76)
p2=Test(2,'priya',20,'female',94,91,84)
p1.get_marks()
p2.get_marks()
Slip 4
A) Write Python GUI program to create background with changing colors [15 M]
CODE :
from tkinter import Button, Entry, Label, Tk
def changecolor():
newvalue = value.get()
gui.configure(background = newvalue)
gui=Tk()
gui.title("color change.")
gui.configure(background = "gray")
gui.geometry("400x300")
color = Label(gui, text = "color", bg = "gray")
value = Entry(gui)
apply = Button(gui, text = "Apply", fg = "Black", bg = "gray", command = changecolor)
color.grid(row=0,column=0)
value.grid(row=0,column=1)
apply.grid(row=0,column=2)
gui.mainloop()
B) Define a class Employee having members id, name, department, salary. Create a subclass called manager with member bonus. Define methods accept and display in both the classes. Create n objects of the manager class and display the details of the manager having the maximum total salary (salary+bonus). [25 M]
CODE :
class Employee:
def __init__(self, id, name, department, salary):
self.id=id
self.name=name
self.department=department
self.salary=salary
class manager(Employee):
def __init__(self, id, name, department, salary ,bonus):
super(manager, self).__init__(id, name, department, salary)
self.bonus=bonus
def totalsalary(self):
print(self.name,'got total salary :',self.salary+self.bonus)
n=manager('A023','AMAR','GENERAL MANAGEMENT',20000,8000)
m=manager('A025','priya','MARKETIG',25000,6400)
n.totalsalary()
m.totalsalary()
Slip 5
A) Write a Python script using class, which has two methods get_String and print_String. get_String accept a string from the user and print_String print the string in upper case. [15 M]
CODE :
class Str1():
def __init__(self,demo=0):
self.demo=demo
def set_String(self,demo):
self.demo=demo
def print_streing(self):
str=self.demo
print(str.upper())
A=Str1()
rowinput=input('enter a string :')
A.set_String(rowinput)
A.print_streing()
B) Write a python script to generate Fibonacci terms using generator function. [25 M]
CODE :
def generator(r):
a=0;b=1
for i in range (1,r):
print(b)
a,b=b,a+b
n=int(input('Enter a number :'))
if n==0:
print('0')
else:
print(0)
generator(n)
Slip 6
A) Write python script using package to calculate area and volume of cube and sphere [15 M]
CODE:
import math
class cube():
def __init__(self,edge):
self.edge=edge
def cube_area(self):
cubearea=6*self.edge*self.edge
print("Area of cube :",cubearea)
def cube_volume(self):
cubevolume=self.edge*self.edge*self.edge
print("Volume of cube :",cubevolume)
class sphere():
def __init__(self,radius):
self.radius=radius
def sphere_area(self):
spherearea=4*math.pi*self.radius*self.radius
print("Area of sphere :",spherearea)
def sphere_volume(self):
spherevolume=float(4/3*math.pi*self.radius**3)
print("volume of sphere :",spherevolume)
e1=cube(5)
e1.cube_area()
e1.cube_volume()
r1=sphere(5)
r1.sphere_area()
r1.sphere_volume()
B) Write a Python GUI program to create a label and change the label font style (font name, bold, size). Specify separate check button for each style. [25 M]
CODE:
import tkinter as tk
parent = tk.Tk()
parent.title("-Welcome to Python tkinter Basic exercises-")
my_label = tk.Label(parent, text="Hello", font=("Arial Bold", 70))
my_label.grid(column=0, row=0)
parent.mainloop()
Slip 7
A) Write Python class to perform addition of two complex numbers using binary + operator overloading. [15 M]
CODE :
class Complex ():
def initComplex(self):
self.realPart = int(input("Enter the Real Part: "))
self.imgPart = int(input("Enter the Imaginary Part: "))
def display(self):
print(self.realPart,"+",self.imgPart,"i", sep="")
def sum(self, c1, c2):
self.realPart = c1.realPart + c2.realPart
self.imgPart = c1.imgPart + c2.imgPart
c1 = Complex()
c2 = Complex()
c3 = Complex()
print("Enter first complex number")
c1.initComplex()
print("First Complex Number: ", end="")
c1.display()
print("Enter second complex number")
c2.initComplex()
print("Second Complex Number: ", end="")
c2.display()
print("Sum of two complex numbers is ", end="")
c3.sum(c1,c2)
c3.display()
B) Write python GUI program to generate a random password with upper and lower case letters.
CODE :
import string,random
from tkinter import *
def password():
clearAll()
String = random.sample(string.ascii_letters, 6) + random.sample(string.digits, 4)
random.SystemRandom().shuffle(String)
password=''.join(String)
passField.insert(10, str(password))
def clearAll() :
passField.delete(0, END)
if __name__ == "__main__" :
gui = Tk()
gui.configure(background = "light green")
gui.title("random password")
gui.geometry("325x150")
passin = Label(gui, text = "Password", bg = "#00ffff").pack()
passField = Entry(gui);passField.pack()
result = Button(gui,text = "Result",fg = "Black",
bg = "gray", command = password).pack()
clearAllEntry = Button(gui,text = "Clear All",fg = "Black",
bg = "Red", command = clearAll).pack()
gui.mainloop()
Slip 8
A) Write a python script to find the repeated items of a tuple [15 M]
CODE :
import collections
tuplex = 2,4,5,6,2,3,4,4,7,5,6,7,1
dictx=collections.defaultdict(int)
for x in tuplex:
dictx[x]+=1
for x in sorted(dictx,key=dictx.get):
if dictx[x]>1:
print('%d repeted %d times'%(x,dictx[x]))
B) Write a Python class which has two methods get_String and print_String. get_String accept a string from the user and print_String print the string in upper case. Further modify the program to reverse a string word by word and print it in lower case. [25 M]
CODE :
class Str1():
def __init__(self,demo=0):
self.demo=demo
def set_String(self,demo):
demo=demo.upper()
self.demo=demo
def print_streing(self):
return self.demo
A=Str1()
str1=input('enter a string to display :')
A.set_String(str1)
print('Upper string :',A.print_streing())
Slip 9
A) Write a Python script using class to reverse a string word by word [15 M]
CODE :
METHOD 1
def reverse_words(s):
return ' '.join(reversed(s.split()))
str1=input('Enter a string : ')
print(reverse_words(str1))
METHOD 2
def listtostr(strlist):
newstr=""
for X in strlist:
newstr += X+' '
return newstr
str1=input("Enter a string to reverse : ")
strlist=str1.split(" ")
strlist.reverse()
print(listtostr(strlist))
B) Write Python GUI program to accept a number n and check whether it is Prime, Perfect or Armstrong number or not. Specify three radio buttons. [25 M]
CODE:
from tkinter import*
def perfect():
number=int(numberFeald.get())
count = 0
for i in range(1, number):
if number % i == 0:
count = count + i
if count == number:
perfect1.select()
print(number, 'The number is a Perfect number!')
else:
perfect1.deselect()
print(number, 'The number is not a Perfect number!')
def armstrong():
number=int(numberFeald.get())
count = 0
temp = number
while temp > 0:
digit = temp % 10
count += digit ** 3
temp //= 10
if number == count:
armstrong1.select()
print(number, 'is an Armstrong number')
else:
armstrong1.deselect()
print(number, 'is not an Armstrong number')
def prime():
number=int(numberFeald.get())
if number > 1:
for i in range(2,number):
if (number % i) == 0:
prime1.deselect()
print(number,"is not a prime number")
print(i,"times",number//i,"is",number)
break
else:
prime1.select()
print(number,"is a prime number")
else:
prime1.deselect()
print(number,"is not a prime number")
root=Tk()
root.title('Prime, Perfect or Armstrong number')
root.geometry('300x200')
numberFeald=Entry(root)
numberFeald.pack()
Button1=Button(root,text='Button',command=lambda:[armstrong(),prime(),perfect()])
Button1.pack()
prime2=IntVar()
perfect2=IntVar()
armstrong2=IntVar()
armstrong1=Radiobutton(root,text='armstrong',variable=armstrong2,value=1)
prime1=Radiobutton(root,text='prime',variable=prime2,value=1)
perfect1=Radiobutton(root,text='perfect',variable=perfect2,value=1)
armstrong1.pack()
prime1.pack()
perfect1.pack()
root.mainloop()
Slip 10
A) Write Python GUI program to display an alert message when a button is pressed. [15 M]
CODE :
from tkinter import *
from tkinter import messagebox
def clicked():
messagebox.showinfo('Button','Button is pressed.')
root=Tk()
root.geometry('300x200')
word= Label(root,text='messagebox from button')
Button1=Button(root,text='BUTTON',command=clicked)
word.pack()
Button1.pack()
root.mainloop()
B) Write a Python class to find validity of a string of parentheses, '(', ')', '{', '}', '[' ']’. These brackets must be close in the correct order. for example "()" and "()[]{}" are valid but "[)", "({[)]" and "{{{" are invalid. [25 M]
class py_solution: def is_valid_parenthese(self, str1): stack, pchar = [], {"(": ")", "{": "}", "[": "]"} for parenthese in str1: if parenthese in pchar: stack.append(parenthese) elif len(stack) == 0 or pchar[stack.pop()] != parenthese: return False return len(stack) == 0 print(py_solution().is_valid_parenthese("(){}[]")) print(py_solution().is_valid_parenthese("()[{)}")) print(py_solution().is_valid_parenthese("()"))
Slip 11
A) Write a Python program to compute element-wise sum of given tuples. Original lists: (1, 2, 3, 4) (3, 5, 2, 1) (2, 2, 3, 1) Element-wise sum of the said tuples: (6, 9, 8, 6) [15 M]
CODE:
Original lists: (1, 2, 3, 4) (3, 5, 2, 1) (2, 2, 3, 1)
Element-wise sum of the said tuples: (6, 9, 8, 6)
x = (1,2,3,4);y = (3,5,2,1);z = (2,2,3,1)
print("Original lists:")
print(x)
print(y)
print(z)
print("\nElement-wise sum of the said tuples:")
result = tuple(map(sum, zip(x, y, z)))
print(result)
B) Write Python GUI program to add menu bar with name of colors as options to change the background color as per selection from menu option. [25 M]
CODE :
from tkinter import Menu, Tk, mainloop
def redcolor():
root.configure(background = 'red')
def greencolor():
root.configure(background = 'green')
def yellowcolor():
root.configure(background = 'yellow')
def violetcolor():
root.configure(background = 'violet')
def bluecolor():
root.configure(background = 'blue')
def cyancolor():
root.configure(background = 'cyan')
root = Tk()
root.title('COLOR MENU')
menubar = Menu(root)
color = Menu(menubar, tearoff = 0)
menubar.add_cascade(label ='color', menu = color)
color.add_command(label ='Red', command = redcolor,activebackground='red',
activeforeground='cyan')
color.add_command(label ='Green',command = greencolor,activebackground='green',
activeforeground='blue')
color.add_command(label ='Blue',command = bluecolor,activebackground='blue',
activeforeground='yellow')
color.add_command(label ='Yellow',command = yellowcolor,activebackground='yellow',
activeforeground='blue')
color.add_command(label ='Cyan',command = cyancolor,activebackground='cyan',
activeforeground='red')
color.add_command(label ='Violet',command = violetcolor,activebackground='violet',
activeforeground='green')
color.add_separator()
color.add_command(label ='Exit',command = root.destroy)
root.config(menu = menubar)
mainloop()
Slip 12
A) Write a Python GUI program to create a label and change the label font style (font name, bold, size) using tkinter module. [15 M]
CODE:
from tkinter import Label, Tk
top=Tk()
top.title="font style"
label=Label(top,text="this is text with style",font=("Helvetica",25))
label.pack()
top.mainloop()
B) Write a python program to count repeated characters in a string.
Sample string: 'thequickbrownfoxjumpsoverthelazydog'
Expected output: o-4, e-3, u-2, h-2, r-2, t-2 [25 M]
CODE :
Sample string: 'thequickbrownfoxjumpsoverthelazydog'
Expected output: o-4, e-3, u-2, h-2, r-2, t-2
Expected output: o-4, e-3, u-2, h-2, r-2, t-2
import collections
str1 = input('Enter a string : ')
d = collections.defaultdict(int)
for c in str1:
if c ==' ':
continue
d[c] += 1
for c in sorted(d, key=d.get):
if d[c] > 1:
print('%s - %d' % (c, d[c]))
A) Write a Python program to input a positive integer. Display correct message for correct and incorrect input. (Use Exception Handling)
Slip 13 Q 1
CODE:
try:
num=int(input('Enter a number :'))
except ValueError:
print("\nThis is not a number!")
else:
print('\nnumber is : ',num)
Write a program to implement the concept of queue using list.
Slip 13 Q 2
CODE :
Note rule of a queue: The order is First In First Out (FIFO).
q=[]
q.append(10)print("Initial Queue is:",q)q.append(100)print("Initial Queue is:",q)q.append(1000)print("Initial Queue is:",q)q.append(10000)print("Initial Queue is:",q)
print('{} is out from queue ! '.format(q.pop(0)))print("After Removing elements:",q)print('{} is out from queue ! '.format(q.pop(0)))print("After Removing elements:",q)print('{} is out from queue ! '.format(q.pop(0)))print("After Removing elements:",q)
q=[]
q.append(10)
print("Initial Queue is:",q)
q.append(100)
print("Initial Queue is:",q)
q.append(1000)
print("Initial Queue is:",q)
q.append(10000)
print("Initial Queue is:",q)
print('{} is out from queue ! '.format(q.pop(0)))
print("After Removing elements:",q)
print('{} is out from queue ! '.format(q.pop(0)))
print("After Removing elements:",q)
print('{} is out from queue ! '.format(q.pop(0)))
print("After Removing elements:",q)
Write a Python GUI program to accept dimensions of a cylinder and display the surface area and volume of cylinder.
Slip 14 Q 1
CODE :
from tkinter import *
from math import pi
from tkinter import messagebox
def clearAll() :
RadiusField.delete(0, END)
HeightField.delete(0, END)
volumeField.delete(0, END)
areaField.delete(0,END)
def checkError() :
if (RadiusField.get() == "" or HeightField.get() == "") :
messagebox.showerror("Input Error")
clearAll()
return -1
def result() :
value = checkError()
if value == -1 :
return
else :
Radius = int(RadiusField.get())
Height = int(HeightField.get())
volume=round(pi*Height*Radius**2,2)
area=round((2*pi*Radius*Height)+(2*pi*Radius**2),2)
volumeField.insert(10, str(volume))
areaField.insert(10, str(area))
if __name__ == "__main__" :
gui = Tk()
gui.configure(background = "light green")
gui.title("cylinder surface area and volume of cylinder")
gui.geometry("300x175")
radius = Label(gui, text = " give radius", bg = "#00ffff")
height = Label(gui, text = "give height", bg = "#00ffff")
area = Label(gui, text = "Area", bg = "#00ffff")
volume = Label(gui, text = "Volume", bg = "#00ffff")
resultlabel = Label(gui, text = "RESULT", bg = "#00ffff")
resultbutton = Button(gui, text = "Result", fg = "Black",
bg = "gray", command = result)
clearAllEntry = Button(gui, text = "Clear All", fg = "Black",
bg = "Red", command = clearAll)
RadiusField = Entry(gui)
HeightField = Entry(gui)
volumeField = Entry(gui)
areaField =Entry(gui)
radius.grid(row = 0, column = 0)
height.grid(row = 0, column = 2)
area.grid(row = 2, column = 0)
volume.grid(row = 2, column = 2)
resultlabel.grid(row = 4, column = 1)
resultbutton.grid(row = 5, column = 1)
RadiusField.grid(row = 1, column = 0)
HeightField.grid(row = 1, column = 2)
areaField.grid(row=3,column=0)
volumeField.grid(row = 3, column = 2)
clearAllEntry.grid(row = 6, column = 1)
gui.mainloop()
Write a Python program to display plain text and cipher text using a Caesar encryption.
Slip 14 Q 2
CODE :
def encypt_func(txt, s):
result = ""
for i in range(len(txt)):
char = txt[i]
if (char.isupper()):
result += chr((ord(char) + s - 64) % 26 + 65)
else:
result += chr((ord(char) + s - 96) % 26 + 97)
return result
txt = input('Enter a string : ')
s = int(input('ENtER number to shift pattern encript : '))
print("Plain txt : " + txt)
print("Shift pattern : " + str(s))
print("Cipher: " + encypt_func(txt, s))
A) Define an Interface Shape with abstract method area(). Write a java program to calculate an area of Circle and Sphere.(use final keyword)
Slip 8 Q 1
Save code as "InterfaceCircleSphere.java"
import java.util.Scanner;
interface Shape{
void area();
}
class Circle implements Shape{
final float PI=3.14f;
float areacircle,radius;
Scanner s=new Scanner(System.in);
void accept(){
System.out.print("Enter the Radius of circle : ");
radius=s.nextFloat();
}
public void area(){
areacircle=PI*radius*radius;
}
public void show()
{
System.out.println("Area of circle is : "+areacircle);
}
}
class Sphere implements Shape{
final float PI=3.14f;
float areasphere,radius;
Scanner s=new Scanner(System.in);
void accept(){
System.out.print("Enter the Radius of sphere : ");
radius=s.nextFloat();
}
public void area(){
areasphere=4*PI*radius*radius;
}
public void show(){
System.out.println("Area of Sphere is : "+areasphere);
}
}
class InterfaceCircleSphere
{
public static void main(String args[]){
Circle s1=new Circle();
s1.accept();
s1.area();
s1.show();
Sphere s2=new Sphere();
s2.accept();
s2.area();
s2.show();
}
}
Write a Python class named Student with two attributes student_name, marks. Modify the attribute values of the said class and print the original and modified values of the said attributes.
Slip 15 Q 1
CODE :
class Student:
def __init__(self, Student_name, marks):
self.Student_name=Student_name
self.marks=marks
def get_marks(self):
print("\nOriginal name and values")
print(self.Student_name,'marks : ',self.marks)
def modify_marks(self):
self.Student_name1=input('Enter modifyed name : ')
self.marks1=int(input('Enter modifyed marks : '))
print(self.Student_name1,'modifyed marks',self.marks)
def modifyed_marks(self):
print("\nmodified name and values")
print(self.Student_name1,'marks : ',self.marks1)
x=Student('AMAR',81)
x.get_marks()
x.modify_marks()
x.get_marks()
x.modifyed_marks()
Write a python program to accept string and remove the characters which have odd index values of given string using user defined function.
Slip 15 Q 2
CODE :
def removeodd(string):
str2=''
for x in range(len(string)):
if x%2==0:
str2=str2+string[x]
return str2
str1=input('enter a string : ')
print('String after removing char : ',removeodd(str1))
Write a python script to create a class Rectangle with data member’s length, width and methods area, perimeter which can compute the area and perimeter of rectangle.
Slip 16 Q 1
CODE :
class Ractangle():
def __init__(self,l,w):
self.l=l
self.w=w
def rectangle_area(self):
return self.l*self.w
def rectangle_Perimeter(self):
return (self.l*2)+(self.w*2)
L=int(input('enter Length of Rectangle :'))
W=int(input('enter Width of Rectangle :'))
a1=Ractangle(L,W)
print(a1.rectangle_area())
print(a1.rectangle_Perimeter())
Write Python GUI program that takes input string and change letter to upper case when a button is pressed.
Slip 17 Q 1
CODE:
from tkinter import *
from tkinter import messagebox
def clearAll() :
str1Field.delete(0, END)
altersField.delete(0, END)
def checkError() :
if (str1Field.get() == "" ) :
messagebox.showerror("Input Error")
clearAll()
return -1
def upper() :
value = checkError()
if value == -1 :
return
else :
String0 = (str1Field.get())
newstr=String0.upper()
altersField.insert(20, str(newstr))
if __name__ == "__main__" :
gui = Tk()
gui.configure(background = "light green")
gui.title("upper case")
gui.geometry("250x200")
Stringin = Label(gui, text = " given String", bg = "#00ffff")
str1 = Label(gui, text = "String", bg = "light green")
str1Field = Entry(gui)
result = Button(gui, text = "Result", fg = "Black",
bg = "gray", command = upper)
alters = Label(gui, text = "upper case string", bg = "light green")
altersField = Entry(gui)
clearAllEntry = Button(gui, text = "Clear All", fg = "Black",
bg = "Red", command = clearAll)
Stringin.grid(row = 0, column = 1)
str1.grid(row = 1, column = 0)
str1Field.grid(row = 1, column = 1)
alters.grid(row = 2, column = 0)
altersField.grid(row = 2, column = 1)
clearAllEntry.grid(row = 3, column = 0)
result.grid(row = 3, column = 1)
gui.mainloop()
Create a list a = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89] and write a python program that prints out all the elements of the list that are less than 5
Slip 18 Q 1
CODE:
list1 =[]
list3=[]
list2=[]
n=int(input('Enter number of elements : '))
for i in range(n):
value=int(input())
list1.append(value)
print(list1)
n=int(input('Enter a number to sort list : '))
for i in list1:
if n > i:
list2.append(i)
else:
list3.append(i)
print('less then {} value list : '.format(n),list2)
print('greater then {} value list :'.format(n),list3)
Write a python script to define the class person having members name, address. Create a subclass called Employee with members staffed salary. Create 'n' objects of the Employee class and display all the details of the employee.
Slip 18 Q 2
CODE:
class person:
def __init__(self,name,address):
self.empname=name
self.address=address
def display(self):
print('name : {}\taddress : {}\tsalary : {}'.format(self.empname,
self.address,a.getsalary()))
class employee(person):
def __init__(self, name, address,salary):
super().__init__(name, address)
self.salary=salary
def getsalary(self):
return self.salary
name1=input('enter name : ')
address=input('enter address : ')
salary=int(input('enter salary : '))
a=employee(name1,address,salary)
a.display()
Write a Python GUI program to accept a number form user and display its multiplication table on button click.
Slip 19 Q 1
CODE :
from tkinter import *
def clearAll() :
numberField.delete(0, END);Lb1.delete(0,END)
def multiplication():
num = int(numberField.get())
Lb1.insert(0, '{} X 1 = {}'.format(num,1*num))
Lb1.insert(1, '{} X 2 = {}'.format(num,2*num))
Lb1.insert(2, '{} X 3 = {}'.format(num,3*num))
Lb1.insert(3, '{} X 4 = {}'.format(num,4*num))
Lb1.insert(4, '{} X 5 = {}'.format(num,5*num))
Lb1.insert(5, '{} X 6 = {}'.format(num,6*num))
Lb1.insert(6, '{} X 7 = {}'.format(num,7*num))
Lb1.insert(7, '{} X 8 = {}'.format(num,8*num))
Lb1.insert(8, '{} X 9 = {}'.format(num,9*num))
Lb1.insert(9,'{} X 10 = {}'.format(num,10*num))
if __name__=="__main__" :
gui = Tk()
gui.configure(background = "light green")
gui.title("multiplication table")
gui.geometry("400x300")
label=Label(gui,text='multiplication table \
on button click').pack(side=TOP,fill=BOTH)
number = Label(gui, text = "Give number", bg = "#00ffff").pack(fill=BOTH)
numberField = Entry(gui)
numberField.pack()
resultbutton = Button(gui, text = "Result button",
fg = "Black", bg = "gray",command=multiplication).pack()
Lb1 = Listbox(gui,fg='yellow',width=30,bg='gray',bd=1,activestyle='dotbox')
clearAllEntry = Button(gui, text = "Clear All",
fg = "Black", bg = "gray", command = clearAll).pack(side=BOTTOM)
Lb1.pack()
gui.mainloop()
Write a python program to create a class Circle and Compute the Area and the circumferences of the circle.(use parameterized constructor)
Slip 20 Q 1
CODE :
from math import pi
class Circle():
def __init__(self,Radius):
self.Radius=Radius
def area(self):
a=pi*self.Radius*self.Radius
return round(a,2)
def circumference(self):
c=2*self.Radius*pi
return round(c,2)
r= int(input('enter radius of circle : '))
a=Circle(r)
print('Area of circle is : ',a.area())
print('Circumference of circle is : ',a.circumference())
Write a Python script to generate and print a dictionary which contains a number (between 1 and n) in the form(x,x*x).
Slip 20 Q 2
CODE :
n=int(input("Input a number : "))
d ={}
for x in range(1,n+1):
d[x]=x*x
print(d)
Define a class named Rectangle which can be constructed by a length and width. The Rectangle class has a method which can compute the area and Perimeter
Slip 21 Q 1
CODE:
class Ractangle():
def __init__(self,l,w):
self.l=l
self.w=w
def rectangle_area(self):
return self.l*self.w
def rectangle_Perimeter(self):
return (self.l*2)+(self.w*2)
L=int(input('enter Length of Rectangle :'))
W=int(input('enter Width of Rectangle :'))
a1=Ractangle(L,W)
print(a1.rectangle_area())
print(a1.rectangle_Perimeter())
Write a Python program to convert a tuple of string values to a tuple of integer values
Slip 21 Q 2
CODE :
tup1=(('333','33'),('1416','55'))
a,b=tup1
newlista=[]
newlistb=[]
arr=[]
for i in a:
newlista.append(int(i))
arr.append(newlista)
for i in b:
newlistb.append(int(i))
arr.append(newlistb)
finaltup=tuple(map(tuple, arr))
print(finaltup)
Write a python script to implement bubble sort using list
Slip 22 Q 2
CODE :
def bubble_sort(list1):
for i in range(0,len(list1)-1):
for j in range(len(list1)-1):
if(list1[j]>list1[j+1]):
temp = list1[j]
list1[j] = list1[j+1]
list1[j+1] = temp
return list1
list1 =[]
n=int(input('Enter number of elements : '))
for i in range(n):
value=int(input())
list1.append(value)
print("The unsorted list is: ", list1)
print("The sorted list is: ", bubble_sort(list1))
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