A) Write a Python GUI program to create a label and change the label font style (font name, bold, size) using tkinter module.

 SLIP 12 Q 1

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()

OUTPUT:

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)

OUTPUT:

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.

 Slip 9 Q 2

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()

OUTPUT:

Python Program to Create a Class in which One Method Accepts a String from the User and Another method Prints it.

Slip 30 Q 2

CODE :

class stringmethod():

    def __init__(self):

        self.string=""

 

    def get(self):

        self.string=input("Enter string: ")

 

    def put(self):

        print("String is:")

        print(self.string)

obj=stringmethod()

obj.get()

obj.put()

OUTPUT:

Write a Python GUI program to accept a string and a character from user and count the occurrences of a character in a string.

Slip 30 Q 1

CODE :

from tkinter import *

from tkinter import messagebox

def clearAll() :

    str1Field.delete(0, END)

    char1Field.delete(0, END)

    resultField.delete(0, END)

   

def checkError() :

    if (str1Field.get() == "" or char1Field.get() == "") :

        messagebox.showerror("Input Error")

        clearAll()

        return -1

def occurrences() :

    value = checkError()

    if value == -1 :

        return

    else :

        String0 = (str1Field.get())

        char0 = (char1Field.get())

       

        i=0

        count=0

        while(i<len(String0)):

            if(String0[i]==char0):

                count=count+1

            i=i+1

       

        resultField.insert(10, str(count))

       

if __name__ == "__main__" :

    gui = Tk()

    gui.configure(background = "light green")

    gui.title("occurrences of a character in a string")

    gui.geometry("525x260")

 

 

 

    Stringin = Label(gui, text = " given String", bg = "#00ffff")

    char = Label(gui, text = "given character", bg = "#00ffff")

    str1 = Label(gui, text = "String", bg = "light green")

    char1 = Label(gui, text = "character", bg = "light green")

   

    occurrenceslabel = Label(gui, text = "occurrences \n character",

    bg = "light green")

   

    result = Button(gui, text = "Result", fg = "Black",

    bg = "gray", command = occurrences)

    clearAllEntry = Button(gui, text = "Clear All", fg = "Black",

    bg = "Red", command = clearAll)

    str1Field = Entry(gui)

    char1Field = Entry(gui)

    resultField = Entry(gui)

Stringin.grid(row = 0, column = 1)

str1.grid(row = 1, column = 0)

str1Field.grid(row = 1, column = 1)

   

   

char.grid(row = 0, column = 4)

char1.grid(row = 1, column = 3)

char1Field.grid(row = 1, column = 4)

   

result.grid(row = 4, column = 2)

occurrenceslabel.grid(row = 5, column = 2)

resultField.grid(row = 6, column = 2)

clearAllEntry.grid(row = 12, column = 2)

gui.mainloop()

OUTPUT:

Write a Python script to sort (ascending and descending) a dictionary by key and value.

Slip 29 Q 2

CODE :

dict1 = {}

n=int (input('Enter a number or pair in dict :'))

for i in range(n):

    key=input('enter {0} key :'.format(i+1))

    value=input('enter value of {}:'.format(key))

    dict1[key]=value

   

sorted_result = dict(sorted(dict1.items()))

print("\nSorting key in alphabetically ascending order:-")

print(sorted_result)

sorted_result = dict(sorted(dict1.items(), reverse=True))

print("\nSorting Dictionary by Key in Descending Order:-")

print(sorted_result)

a = dict(sorted(dict1.items(), key=lambda x: x[1]))

print("\nsort dictionary by value Ascending:-")

print(a)

a = dict(sorted(dict1.items(), key=lambda x: x[1], reverse=True))

print("\nSort dictionary by value descending:-")

print(a)

OUTPUT:

Write a Python GUI program to calculate volume of Sphere by accepting radius as input.

Slip 29 Q 1

CODE :

from tkinter import *

from tkinter import messagebox

import math

def clearAll() :

    radiusField.delete(0, END)

    volumeField.delete(0, END)

   

def checkError() :

    if (radiusField.get() == "") :

        messagebox.showerror("Input Error")

        clearAll()

        return -1

def getvolume() :

    value = checkError()

    if value == -1 :

        return

    else :

        radius0 = int(radiusField.get())

        volume0=round((4/3)*math.pi*radius0*radius0*radius0,2)

       

        volumeField.insert(10, str(volume0))

       

if __name__ == "__main__" :

    gui = Tk()

    gui.configure(background = "light green")

    gui.title("volume of sphere")

    gui.geometry("425x200")

 

 

 

    Radiuslabel = Label(gui, text = "given Radius", bg = "#00ffff")

    volumelabel = Label(gui, text = "result volume", bg = "#00ffff")

    Radius1 = Label(gui, text = "radius", bg = "light green")

    volume1 = Label(gui, text = "volume", bg = "light green")

   

    result = Button(gui, text = "Result", fg = "Black",

    bg = "gray", command = getvolume)

    clearAllEntry = Button(gui, text = "Clear All", fg = "Black",

    bg = "Red", command = clearAll)

    radiusField = Entry(gui)

 

    volumeField = Entry(gui)

Radiuslabel.grid(row = 0, column = 1)

Radius1.grid(row = 1, column = 0)

radiusField.grid(row = 1, column = 1)

   

   

volumelabel.grid(row = 0, column = 4)

volume1.grid(row = 1, column = 3)

volumeField.grid(row = 1, column = 4)

   

result.grid(row = 4, column = 2)

clearAllEntry.grid(row = 12, column = 2)

gui.mainloop()

OUTPUT:

Write a Python program to accept two lists and merge the two lists into list of tuple.

Slip 28 Q 2

CODE :

list1 =[]

n=int(input('Enter number of elements in first list : '))

for i in range(n):

    value=int(input('enter {} value of list : '.format(i+1)))

    list1.append(value)

list2 =[]

n=int(input('Enter number of elements in second list : '))

for i in range(n):

    value=int(input('enter {} value of list : '.format(i+1)))

    list2.append(value)

print('list 1 : ',list1)

print('list 2 : ',list2)

tuple1=tuple(list1+list2)

print(tuple1)

OUTPUT:

Write a Python GUI program to create a list of Computer Science Courses using Tkinter module (use Listbox).

Slip 28 Q 1

CODE :

from tkinter import *

top = Tk()

top.title('Course')

top.geometry("300x250")

Lb1 = Listbox(top,fg='yellow',width=30,bg='gray',bd=1,activestyle='dotbox')

label=Label(top,text='Computer Science Course Listing').pack()

Lb1.insert(1, "Computer Programming")

Lb1.insert(2, "Information Science")

Lb1.insert(3, "Networking")

Lb1.insert(4, "Operating Systems")

Lb1.insert(5, "Artificial Intelligence")

Lb1.insert(6, "Information Technology")

Lb1.insert(7,'Information Security')

Lb1.insert(8, "Cyber Security")

Lb1.pack()

top.mainloop()

OUTPUT:

Write Python GUI program to accept a decimal number and convert and display it to binary, octal and hexadecimal number.

Slip 27 Q 2

CODE :

from tkinter import *

from tkinter import messagebox

def clearAll() :

    numberField.delete(0, END)

    binaryField.delete(0, END)

    octalField.delete(0, END)

    hexadecimalField.delete(0, END)

def checkError() :

    if (numberField.get() == "") :

        messagebox.showerror("Input Error")

        clearAll()

       

        return -1

def calculateAge() :

    value = checkError()

    if value == -1 :

        return

   

    else :

       

        number0 = int(numberField.get())

        binary=(bin(number0)[2:])

        octal =oct(number0)[2:]

        hexadecimal=hex(number0)[2:]

        binaryField.insert(10, str(binary))

        octalField.insert(10, str(octal))

        hexadecimalField.insert(10, str(hexadecimal))

   

if __name__ == "__main__" :

    gui = Tk()

    gui.configure(background = "light green")

    gui.title("decimal number converter")

    gui.geometry("400x200")

 

 

 

    number = Label(gui, text = "Give number", bg = "#00ffff")

    number1 = Label(gui, text = "number", bg = "light green")

    numberField = Entry(gui)

    result = Label(gui, text = "result", bg = "#00ffff")

    resultbutton = Button(gui, text = "Result button", fg = "Black",

    bg = "gray", command = calculateAge)

    resultbinary = Label(gui, text = "result binary", bg = "light green")

    resultoctal = Label(gui, text = "result cotal", bg = "light green")

    resulthexadecimal = Label(gui,text ="resulthexadecimal",bg = "light green")

    binaryField = Entry(gui)

    octalField = Entry(gui)

    hexadecimalField = Entry(gui)

   

    clearAllEntry = Button(gui, text = "Clear All", fg = "Black",

    bg = "Red", command = clearAll)

    number.grid(row = 0, column = 1)

    number1.grid(row = 1, column = 1)

    numberField.grid(row = 2, column = 1)

   

    result.grid(row = 3, column = 1)

    resultbutton.grid(row = 4, column = 1)

   

    resultbinary.grid(row = 5, column = 0)

    binaryField.grid(row = 6, column = 0)

   

    resultoctal.grid(row = 5, column = 1)

    octalField.grid(row = 6, column = 1)

 

    resulthexadecimal.grid(row = 5, column = 2)

    hexadecimalField.grid(row = 6, column = 2)

 

    clearAllEntry.grid(row = 7, column = 1)

    gui.mainloop()

OUTPUT:

Write a Python program to unzip a list of tuples into individual lists.

Slip 27 Q 1

CODE :

l = [(1,2), (3,4), (8,9)]

print(list(zip(*l)))

OUTPUT:

Write Python GUI program which accepts a sentence from the user and alters it when a button is pressed. Every space should be replaced by *, case of all alphabets should be reversed, digits are replaced by?.

Slip 26 Q 2

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 occurrences() :

    value = checkError()

    if value == -1 :

        return

    else :

        String0 = (str1Field.get())

       

        newstr=''

        for char in String0:

            if char.isupper():

                char=char.lower()

                newstr+=char

            elif char.islower():

                char=char.upper()

                newstr+=char

            elif char==' ':

                char=char.replace(' ','*')

                newstr+=char

            elif char.isdigit():

                char=char.replace(char,'?')

                newstr+=char

            else:

                newstr+=char

       

        altersField.insert(10, str(newstr))

       

if __name__ == "__main__" :

    gui = Tk()

    gui.configure(background = "light green")

    gui.title("alters")

    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 = occurrences)

   

    alters = Label(gui, text = "alters 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()

OUTPUT:

Write an anonymous function to find area of square and rectangle.

Slip 26 Q 1

CODE :

area_square=lambda x: x*x       #area of square is a^2

side=int(input('Enter a side value of square : '))

print(area_square(side))

area_rectangle=lambda x,y:x*y   #area of rectangle is l*w

Length=int(input('Enter a Length value of rectangle : '))

Width=int(input('Enter a Width value of rectangle : '))

print(area_rectangle(Length,Width))

OUTPUT :

Write a Python script to Create a Class which Performs Basic Calculator Operations.

Slip 25 Q 2

CODE :

class Calculator:

    def __init__(self,num1,num2,operation):

        self.num1=num1

        self.num2=num2

        self.operation=operation

        if self.operation=='*':

            print('Multiplication of {} and {} is : '.format(num1,num2),

                self.num1*self.num2)

           

        elif self.operation=='/':

            print('division of {} and {} is : '.format(num1,num2),

                self.num1/self.num2)

           

        elif self.operation=='-':

            print('Subtraction of {} and {} is : '.format(num1,num2),

                self.num1/self.num2)

           

        elif self.operation=='+':

            print('Addition of {} and {} is : '.format(num1,num2),

                self.num1+self.num2)

           

num1=int(input('Enter 1st number : '))

operator1=input('ENTER A CALCULATOR OPERATOR FROM FOLLOWING : / , * , - ,  +\n')

num2=int(input('Enter 2st number : '))      

Calculator(num1,num2,operator1)

OUTPUT:

Write a Python function that accepts a string and calculate the number of upper case letters and lower case letters.

Slip 25 Q 1

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)

OUTPUT:

Write Python GUI program which accepts a number n to displays each digit of number in words.

Slip 24 Q 2

CODE:

from tkinter import END, Button, Entry, Label, Tk

def printWord(N):

    i = 0

    length = len(N)

    while i < length:    

        printValue(N[i])

        i += 1

       

def printValue(digit):

    if digit == '0':

        wordField.insert(30,'ZERO ')

    elif digit == '1':

        wordField.insert(30,'ONE ')

    elif digit == '2':

        wordField.insert(30,'TWO ')

    elif digit=='3':

        wordField.insert(30,'THREE ')

    elif digit == '4':

        wordField.insert(30,'FOUR ')

    elif digit == '5':

        wordField.insert(30,'FIVE ')

    elif digit == '6':

        wordField.insert(30,'SIX ')

    elif digit == '7':

        wordField.insert(30,'SEVEN ')

    elif digit == '8':

        wordField.insert(30,'EIGHT ')

    elif digit == '9':

        wordField.insert(30,'NINE ')

       

def clearAll() :

    numberField.delete(0, END)

    wordField.delete(0, END)

   

def wordconvert():

   

    number0 = numberField.get()

    printWord(number0)

if __name__=="__main__" :

    gui = Tk()

    gui.configure(background = "light green")

    gui.title("decimal number converter")

    gui.geometry("300x125")

    number = Label(gui, text = "Give number", bg = "#00ffff")

    number1 = Label(gui, text = "number", bg = "light green")

    numberField = Entry(gui)

    result = Label(gui, text = "result", bg = "#00ffff")

    resultbutton = Button(gui, text = "Result button",fg = "Black",

    bg = "gray", command = wordconvert)

    numberinword = Label(gui, text ="number in word",bg ="light green")

    wordField = Entry(gui)

    clearAllEntry = Button(gui, text = "Clear All", fg ="Black",

    bg = "gray", command = clearAll)

   

    number.grid(row = 0, column = 1)

    number1.grid(row = 1, column = 1)

    numberField.grid(row = 2, column = 1)

    resultbutton.grid(row = 3, column = 1)

   

    result.grid(row = 0, column = 5)

    numberinword.grid(row = 1, column = 5)

    wordField.grid(row = 2, column = 5)

    clearAllEntry.grid(row = 3, column = 5)

    gui.mainloop()

   

OUTPUT: