tower of Hanoi 

# Recursive Python function to solve the tower of hanoi 

 

def TowerOfHanoi(n , source, destination, auxiliary): 

	if n==1: 

		print ("Move disk 1 from source",source,"to destination",destination) 

		return 

	TowerOfHanoi(n-1, source, auxiliary, destination) 

	print ("Move disk",n,"from source",source,"to destination",destination) 

	TowerOfHanoi(n-1, auxiliary, destination, source) 

		 

# Driver code 

n = 4 

TowerOfHanoi(n,'A','B','C') 

# A, C, B are the name of rods 

 

PROGRAM:2 

Python Program to Count Vowels in a String 

 

str1 = input("Please Enter Your Own String : ") 

  

vowels = 0 

for i in str1: 

    if (ord(i) == 65 or ord(i) == 69 or ord(i) == 73 

        or ord(i) == 79 or ord(i) == 85 

        or ord(i) == 97 or ord(i) == 101 or ord(i) == 105 

        or ord(i) == 111 or ord(i) == 117): 

        vowels = vowels + 1 

print("Total Number of Vowels in this String =", vowels) 

PROGRAM:3 

Python program prints the right pascals triangle pattern of mirrored numbers using a while loop. 

rows = int(input("Enter Right Pascals Mirrored Numbers Rows = ")) 

print("====Right Pascals Mirrored Numbers Triangle Pattern====") 

i = rows 

while i >= 1: 

    j = i 

    while j <= rows: 

        print(j, end=' ') 

        j = j + 1 

    k = rows - 1 

    while k >= i: 

        print(k, end=' ') 

        k = k - 1 

    print() 

    i = i - 1 

i = 2 

while i <= rows: 

    j = i 

    while j <= rows: 

        print(j, end=' ') 

        j = j + 1 

    k = rows - 1 

    while k >= i: 

        print(k, end=' ') 

        k = k - 1 

    print() 

    i = i + 1 

6A 
 
import os.path 

import sys 

fname = input('Enter the filename: ') 

if not os.path.isfile(fname): 

    print("File", fname, "doesn't exist") 

    sys.exit(0) 

infile = open(fname, "r") 

linelist = infile.readlines() 

for i in range(20):  # This will only display the first 20 lines, regardless of the user input 

    print(i + 1, ":", linelist[i]) 

word = input("Enter a word: ") 

cnt = 0 

# There's no need to loop through the lines twice; you can count the word frequency in the same loop. 

for line in linelist: 

    cnt += line.count(word) 

print("The word", word, "appears", cnt, "times in the file") 

 

 

6B 

import os 

import sys 

import pathlib 

import zipfile 

dirName = input("Enter directory name that you want to backup: " 

if not os.path.isdir(dirName): 

    print("Directory", dirName, "doesn't exist") 

    sys.exit(0) 

curdirectory = pathlib.Path(dirName) 

with zipfile.ZipFile("myZip.zip", mode="w") as archive: 

    for file_path in curdirectory.rglob("*"): 

        archive.write(file_path, arcname=file_path.relative_to(curdirectory)) 

if os.path.isfile("myZip.zip"): 

    print("Archive 'myZip.zip' created successfully") 

else: 

    print("Error in creating zip archive") 

 

 

7A 

import math 

class Shape: 

    def __init__(self): 

        self.area = 0 

        self.name = " " 

    def showArea(self): 

        print("The area of the", self.name, "is", self.area, "units") 

class Circle(Shape): 

    def __init__(self, radius): 

        super().__init__()  # Call the constructor of the parent class. 

        self.name = "circle" 

        self.radius = radius 

    def calarea(self): 

        self.area = math.pi * self.radius * self.radius 

class Rectangle(Shape): 

    def __init__(self, length, breadth): 

        super().__init__()  # Call the constructor of the parent class. 

        self.name = "Rectangle" 

        self.length = length 

        self.breadth = breadth 

    def calarea(self): 

        self.area = self.length * self.breadth 

class Triangle(Shape): 

    def __init__(self, base, height): 

        super().__init__()  # Call the constructor of the parent class. 

        self.name = "Triangle" 

        self.base = base 

        self.height = height 

    def calarea(self): 

        self.area = (self.base * self.height) / 2 

c1 = Circle(5) 

c1.calarea() 

c1.showArea() 

r1 = Rectangle(4, 5) 

r1.calarea() 

r1.showArea() 

t1 = Triangle(3, 4) 

t1.calarea() 

t1.showArea() 

 

 

7B 

class Employee: 

    def __init__(self): 

        self.name = " " 

        self.empid = " " 

        self.dept = " " 

        self.salary = 0 

    def getEmpDetails(self): 

        self.name = input("Enter Employee name: ") 

        self.empid = input("Enter Employee ID: ") 

        self.dept = input("Enter Employee Dept: ") 

        self.salary = int(input("Enter Employee Salary: ")) 

    def showEmpDetails(self): 

        print("Employee Details") 

        print("Name: ", self.name) 

        print("ID: ", self.empid) 

        print("Dept: ", self.dept) 

        print("Salary: ", self.salary) 

    def updtsalary(self): 

        self.salary = int(input("Enter new Salary")) 

        print("Updated Salary", self.salary) 

e1 = Employee() 

e1.getEmpDetails() 

e1.showEmpDetails() 

e1.updtsalary() 

 

 

8 

class PaliStr: 

    def __init__(self): 

        self.isPali = False 

    def chkPalindrome(self, myStr): 

        if myStr == myStr[::-1]: 

            self.isPali = True 

        else: 

            self.isPali = False         

        return self.isPali         

class PaliInt(PaliStr): 

    def __init__(self): 

        self.isPali = False    

    def chkPalindrome(self, val): 

        temp = val 

        rev = 0 

        while temp != 0: 

            dig = temp % 10 

            rev = (rev * 10) + dig 

            temp = temp // 10 

        if val == rev: 

            self.isPali = True 

        else: 

            self.isPali = False        

        return self.isPali 

st = input("Enter a string : ") 

stObj = PaliStr() 

if stObj.chkPalindrome(st): 

    print("Given string is a Palindrome") 

else: 

    print("Given string is not a Palindrome") 

  

val = int(input("Enter an integer : "))     

intObj = PaliInt() 

if intObj.chkPalindrome(val): 

    print("Given integer is a Palindrome") 

else: 

    print("Given integer is not a Palindrome") 

 

 

9A 

import requests 

import os 

from bs4 import BeautifulSoup 

  

# Set the URL of the first XKCD comic 

url = 'https://xkcd.com/1/' 

  

# Create a folder to store the comics 

if not os.path.exists('xkcd_comics'): 

    os.makedirs('xkcd_comics') 

  

# Loop through all the comics 

while True: 

    # Download the page content 

    res = requests.get(url) 

    res.raise_for_status() 

  

    # Parse the page content using BeautifulSoup 

    soup = BeautifulSoup(res.text, 'html.parser') 

  

    # Find the URL of the comic image 

    comic_elem = soup.select('#comic img') 

    if comic_elem == []: 

        print('Could not find comic image.') 

    else: 

        comic_url = 'https:' + comic_elem[0].get('src') 

  

        # Download the comic image 

        print(f'Downloading {comic_url}...') 

        res = requests.get(comic_url) 

        res.raise_for_status() 

  

        # Save the comic image to the xkcd_comics folder 

        image_file = open(os.path.join('xkcd_comics', os.path.basename(comic_url)), 'wb') 

        for chunk in res.iter_content(100000): 

            image_file.write(chunk) 

        image_file.close() 

  

    # Get the URL of the previous comic 

    prev_link = soup.select('a[rel="prev"]')[0] 

    if not prev_link: 

        break 

    url = 'https://xkcd.com' + prev_link.get('href') 

  

print('All comics downloaded.') 
 

 

 
9B 

 

 

from openpyxl import Workbook  

from openpyxl.styles import Font 

  

wb = Workbook()  

sheet = wb.active 

sheet.title = "Language" 

wb.create_sheet(title = "Capital") 

  

lang = ["Kannada", "Telugu", "Tamil"] 

state = ["Karnataka", "Telangana", "Tamil Nadu"] 

capital = ["Bengaluru", "Hyderabad", "Chennai"] 

code =['KA', 'TS', 'TN'] 

  

sheet.cell(row = 1, column = 1).value = "State" 

sheet.cell(row = 1, column = 2).value = "Language" 

sheet.cell(row = 1, column = 3).value = "Code" 

  

  

ft = Font(bold=True) 

for row in sheet["A1:C1"]: 

    for cell in row: 

        cell.font = ft 

         

for i in range(2,5): 

    sheet.cell(row = i, column = 1).value = state[i-2] 

    sheet.cell(row = i, column = 2).value = lang[i-2] 

    sheet.cell(row = i, column = 3).value = code[i-2] 

     

wb.save("demo.xlsx") 

  

  

sheet = wb["Capital"] 

  

sheet.cell(row = 1, column = 1).value = "State" 

sheet.cell(row = 1, column = 2).value = "Capital" 

sheet.cell(row = 1, column = 3).value = "Code" 

  

ft = Font(bold=True) 

for row in sheet["A1:C1"]: 

    for cell in row: 

        cell.font = ft 

         

for i in range(2,5): 

    sheet.cell(row = i, column = 1).value = state[i-2] 

    sheet.cell(row = i, column = 2).value = capital[i-2] 

    sheet.cell(row = i, column = 3).value = code[i-2] 

     

wb.save("demo.xlsx") 

  

srchCode = input("Enter state code for finding capital ") 

for i in range(2,5): 

    data = sheet.cell(row = i, column = 3).value 

    if data == srchCode: 

        print("Corresponding capital for code", srchCode, "is", sheet.cell(row = i, column = 2).value) 

         

  

sheet = wb["Language"] 

  

srchCode = input("Enter state code for finding language ") 

for i in range(2,5): 

    data = sheet.cell(row = i, column = 3).value 

    if data == srchCode: 

        print("Corresponding language for code", srchCode, "is", sheet.cell(row = i, column = 2).value) 

  

wb.close() 

 

 

10A 

 

 

from PyPDF2 import PdfWriter, PdfReader 

  

num = int(input("Enter page number you want combine from multiple documents ")) 

  

pdf1 = open('birds.pdf', 'rb') 

pdf2 = open('birdspic.pdf', 'rb') 

  

pdf_writer = PdfWriter() 

  

pdf1_reader = PdfReader(pdf1) 

page = pdf1_reader.pages[num - 1] 

pdf_writer.add_page(page) 

  

pdf2_reader = PdfReader(pdf2) 

page = pdf2_reader.pages[num - 1] 

pdf_writer.add_page(page) 

  

with open('output.pdf', 'wb') as output: 

    pdf_writer.write(output) 

 

 

10B 

 

 

import json 

  

# Load the JSON data from file 

with open('weather_data.json') as f: 

    data = json.load(f) 

  

# Extract the required weather data 

current_temp = data['main']['temp'] 

humidity = data['main']['humidity'] 

weather_desc = data['weather'][0]['description'] 

  

# Display the weather data 

print(f"Current temperature: {current_temp}°C") 

print(f"Humidity: {humidity}%") 

print(f"Weather description: {weather_desc}")