telugu_dialogues = ["Fire, kadhu, Wildfire, Hlo - Pushpa"]

index = 0
while index < len(telugu_dialogues):
print("Dialogue:", telugu_dialogues[index])
index += 1
:::::::::::::::::::::::::::::::::::::::::::::
Example 1: Basic While Loop

count = 1

while count <= 5:

print(count)
count += 1 # Increment the count by 1

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 2: While Loop with User Input

user_input = ""

while user_input.lower() != "exit":

user_input = input("Type 'exit' to quit: ")
print("You typed:", user_input)

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Example 3: Using break in a While Loop

count = 0

while True: # Infinite loop

count += 1
print(count)
if count >= 5:
break # Exit the loop when count reaches 5

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Example 4: Using continue in a While Loop

count = 0

while count < 10:

count += 1
if count % 2 == 0:
continue # Skip even numbers
print(count) # Print only odd numbers

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 5: While Loop with a List

fruits = ["apple", "banana", "cherry"]

index = 0

while index < len(fruits):

print(fruits[index])
index += 1 # Move to the next index
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 6: Countdown Timer

import time

countdown = 5

while countdown > 0:

print(countdown)
countdown -= 1 # Decrement the countdown
time.sleep(1) # Wait for 1 second

print("Time's up!")

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Example 7: Summing Numbers Until a Condition is Met

total = 0

while True:
number = float(input("Enter a number (negative to quit): "))
if number < 0:
break # Exit the loop if the number is negative
total += number # Add the number to the total

print("Total sum:", total)

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Example 8: Guessing Game

import random

secret_number = random.randint(1, 10) # Random number between 1 and 10

guess = None

while guess != secret_number:

guess = int(input("Guess the number (1-10): "))
if guess < secret_number:
print("Too low! Try again.")
elif guess > secret_number:
print("Too high! Try again.")

print("Congratulations! You've guessed the number:", secret_number)

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Example 9: Fibonacci Sequence

limit = 100
a, b = 0, 1

print("Fibonacci sequence up to", limit, ":")

while a < limit:
print(a, end=" ")
a, b = b, a + b # Update values for the next Fibonacci number
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 10: Infinite Loop with Exit Condition

while True:
command = input("Enter 'stop' to exit the loop: ")
if command.lower() == 'stop':
print("Exiting the loop.")
break
else:
print("You entered:", command)

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Example 11: Counting Down with a Step

start = 10
step = 2

while start >= 0:

print(start)
start -= step # Decrement by the specified step

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 12: Validating User Input

while True:
user_input = input("Enter a positive integer: ")
if user_input.isdigit() and int(user_input) > 0:
print("You entered a valid positive integer:", user_input)
break # Exit the loop if the input is valid
else:
print("Invalid input. Please try again.")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 13: Reversing a String

user_string = input("Enter a string to reverse: ")

reversed_string = ""
index = len(user_string) - 1

while index >= 0:

reversed_string += user_string[index]
index -= 1 # Move to the previous character

print("Reversed string:", reversed_string)

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Example 14: Collatz Conjecture

This example implements the Collatz conjecture, which states that for any positive
integer ( n ):

If ( n ) is even, divide it by 2.
If ( n ) is odd, multiply it by 3 and add 1.
Repeat the process until ( n ) becomes 1.

n = int(input("Enter a positive integer: "))

while n != 1:
print(n, end=" ")
if n % 2 == 0:
n //= 2 # If n is even
else:
n = 3 * n + 1 # If n is odd

print(1) # Print the last number (1)

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 15: Counting Vowels in a String

user_string = input("Enter a string: ")

vowels = "aeiouAEIOU"
count = 0
index = 0

while index < len(user_string):

if user_string[index] in vowels:
count += 1
index += 1 # Move to the next character

print("Number of vowels in the string:", count)

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Example 16: Factorial Calculation

number = int(input("Enter a positive integer to calculate its factorial: "))

factorial = 1
count = 1

while count <= number:

factorial *= count # Multiply the current count to the factorial
count += 1 # Increment the count

print(f"The factorial of {number} is {factorial}.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 17: Palindrome Checker

user_string = input("Enter a string: ")

reversed_string = ""
index = len(user_string) - 1

while index >= 0:

reversed_string += user_string[index]
index -= 1

if user_string == reversed_string:
print(f"{user_string} is a palindrome.")
else:
print(f"{user_string} is not a palindrome.")
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 19: Finding the Largest Number

largest = None

while True:
number = float(input("Enter a number (negative to quit): "))
if number < 0:
break # Exit the loop if the number is negative
if largest is None or number > largest:
largest = number # Update largest if the current number is greater

if largest is not None:

print("The largest number entered is:", largest)
else:
print("No positive numbers were entered.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 20: Simple ATM Simulation

balance = 1000 # Initial balance

while True:
print("\nATM Menu:")
print("1. Check Balance")
print("2. Deposit Money")
print("3. Withdraw Money")
print("4. Exit")

choice = input("Choose an option (1-4): ")

if choice == '1':
print("Your balance is:", balance)
elif choice == '2':
deposit = float(input("Enter amount to deposit: "))
balance += deposit
print("Deposit successful! New balance:", balance)
elif choice == '3':
withdraw = float(input("Enter amount to withdraw: "))
if withdraw > balance:
print("Insufficient funds!")
else:
balance -= withdraw
print("Withdrawal successful! New balance:", balance)
elif choice == '4':
print("Thank you for using the ATM. Goodbye!")
break
else:
print("Invalid choice. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 21: Repeatedly Asking for a Password

correct_password = "secret123"
attempts = 0

while attempts < 3:

password = input("Enter the password: ")
if password == correct_password:
print("Access granted!")
break
else:
print("Incorrect password. Try again.")
attempts += 1

if attempts == 3:
print("Too many failed attempts. Access denied.")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 22: Multiplication Table

number = int(input("Enter a number to generate its multiplication table: "))

count = 1

while count <= 10:

print(f"{number} x {count} = {number * count}")
count += 1 # Increment the count

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 26: Simple Text-Based Adventure Game

print("Welcome to the Adventure Game!")

print("You are in a forest. You can go 'left' or 'right'.")

while True:
choice = input("Which way do you want to go? (left/right): ").lower()

if choice == 'left':
print("You encounter a friendly dragon! You win!")
break
elif choice == 'right':
print("You fall into a pit! Game over.")
break
else:
print("Invalid choice. Please choose 'left' or 'right'.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 28: Simple Calculator

while True:
print("\nSimple Calculator")
print("1. Add")
print("2. Subtract")
print("3. Multiply")
print("4. Divide")
print("5. Exit")

choice = input("Choose an operation (1-5): ")

 if choice == '5':
print("Exiting the calculator. Goodbye!")
break

num1 = float(input("Enter first number: "))

num2 = float(input("Enter second number: "))

if choice == '1':
print(f"{num1} + {num2} = {num1 + num2}")
elif choice == '2':
print(f"{num1} - {num2} = {num1 - num2}")
elif choice == '3':
print(f"{num1} * {num2} = {num1 * num2}")
elif choice == '4':
if num2 != 0:
print(f"{num1} / {num2} = {num1 / num2}")
else:
print("Error: Division by zero!")
else:
print("Invalid choice. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 29: Finding Prime Numbers

limit = int(input("Enter a limit to find prime numbers: "))

number = 2 # Start checking for prime numbers from 2

while number <= limit:

is_prime = True
for i in range(2, int(number**0.5) + 1):
if number % i == 0:
is_prime = False
break
if is_prime:
print(number)
number += 1
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 30: Repeatedly Asking for a Username

while True:
username = input("Enter a username (cannot be empty): ")
if username:
print("Username accepted:", username)
break # Exit the loop if the username is valid
else:
print("Invalid username. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 31: Simple Voting System (continued)

votes = {"A": 0, "B": 0, "C": 0}

while True:
print("\nCandidates:")
 for candidate in votes:
print(candidate)

choice = input("Vote for a candidate (or type 'exit' to finish voting):

").capitalize()

if choice == 'exit':
break

if choice in votes:
votes[choice] += 1
print(f"Thank you for voting for {choice}!")
else:
print("Invalid candidate. Please try again.")

print("\nVoting results:")
for candidate, count in votes.items():
print(f"{candidate}: {count} votes")

:::::::::::::::::::::::::::::::::::::::::::::::::::::;

Example 32: Simple Text-Based Quiz

score = 0

while True:
print("\nQuiz Time!")
print("1. What is the capital of France?")
print("2. What is 2 + 2?")
print("3. What is the color of the sky?")
print("4. Exit")

choice = input("Choose a question (1-4): ")

if choice == '1':
answer = input("Your answer: ")
if answer.lower() == "paris":
print("Correct!")
score += 1
else:
print("Wrong! The correct answer is Paris.")
elif choice == '2':
answer = input("Your answer: ")
if answer == "4":
print("Correct!")
score += 1
else:
print("Wrong! The correct answer is 4.")
elif choice == '3':
answer = input("Your answer: ")
if answer.lower() == "blue":
print("Correct!")
score += 1
else:
print("Wrong! The correct answer is blue.")
elif choice == '4':
print("Exiting the quiz. Your score is:", score)
break
 else:
print("Invalid choice. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 33: Simple Password Strength Checker

while True:
password = input("Enter a password (or type 'exit' to quit): ")

if password.lower() == 'exit':
break # Exit the loop if the user types 'exit'

if len(password) < 8:
print("Password is too short. It must be at least 8 characters.")
elif not any(char.isdigit() for char in password):
print("Password must contain at least one digit.")
elif not any(char.isalpha() for char in password):
print("Password must contain at least one letter.")
else:
print("Password is strong!")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 34: Simple Currency Converter

exchange_rate = 1.2 # Example: 1 USD = 1.2 EUR

while True:
amount = input("Enter amount in USD to convert to EUR (or type 'exit' to quit):
")

if amount.lower() == 'exit':
break # Exit the loop if the user types 'exit'

try:
amount = float(amount)
converted_amount = amount * exchange_rate
print(f"{amount} USD is equal to {converted_amount:.2f} EUR.")
except ValueError:
print("Invalid amount. Please enter a numeric value.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 35: Simple Rock-Paper-Scissors Game

import random

choices = ["rock", "paper", "scissors"]

while True:
user_choice = input("Enter rock, paper, or scissors (or type 'exit' to quit):
").lower()

if user_choice == 'exit':
break # Exit the loop if the user types 'exit'

if user_choice not in choices:

print("Invalid choice. Please try again.")
 continue # Skip to the next iteration if the choice is invalid

computer_choice = random.choice(choices)
print("Computer chose:", computer_choice)

if user_choice == computer_choice:
print("It's a tie!")
elif (user_choice == "rock" and computer_choice == "scissors") or \
(user_choice == "paper" and computer_choice == "rock") or \
(user_choice == "scissors" and computer_choice == "paper"):
print("You win!")
else:
print("You lose!")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 36: Simple To-Do List

todo_list = []

while True:
print("\nTo-Do List:")
for index, item in enumerate(todo_list, start=1):
print(f"{index}. {item}")

print("\nOptions:")
print("1. Add a task")
print("2. Remove a task")
print("3. Exit")

choice = input("Choose an option (1-3): ")

if choice == '1':
task = input("Enter the task to add: ")
todo_list.append(task)
print(f"Task '{task}' added.")
elif choice == '2':
task_number = int(input("Enter the task number to remove: "))
if 1 <= task_number <= len(todo_list):
removed_task = todo_list.pop(task_number - 1)
print(f"Task '{removed_task}' removed.")
else:
print("Invalid task number.")
elif choice == '3':
print("Exiting the to-do list. Goodbye!")
break
else:
print("Invalid choice. Please try again.")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 38: Simple Interest Calculator

while True:
principal = input("Enter the principal amount (or type 'exit' to quit): ")

if principal.lower() == 'exit':
break # Exit the loop if the user types 'exit'
 rate = float(input("Enter the rate of interest (in %): "))
time = float(input("Enter the time (in years): "))

try:
principal = float(principal)
simple_interest = (principal * rate * time) / 100
print(f"The simple interest is: {simple_interest:.2f}")
except ValueError:
print("Invalid input. Please enter numeric values.")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 39: Simple Temperature Converter

while True:
print("\nTemperature Converter")
print("1. Celsius to Fahrenheit")
print("2. Fahrenheit to Celsius")
print("3. Exit")

choice = input("Choose an option (1-3): ")

if choice == '3':
print("Exiting the converter. Goodbye!")
break

if choice == '1':
celsius = float(input("Enter temperature in Celsius: "))
fahrenheit = (celsius * 9/5) + 32
print(f"{celsius}°C is equal to {fahrenheit:.2f}°F.")
elif choice == '2':
fahrenheit = float(input("Enter temperature in Fahrenheit: "))
celsius = (fahrenheit - 32) * 5/9
print(f"{fahrenheit}°F is equal to {celsius:.2f}°C.")
else:
print("Invalid choice. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 40: Simple Email Validator (continued)

import re

while True:
email = input("Enter an email address (or type 'exit' to quit): ")

if email.lower() == 'exit':
break # Exit the loop if the user types 'exit'

# Basic email validation using regex

if re.match(r"[^@]+@[^@]+\.[^@]+", email):
print(f"{email} is a valid email address.")
else:
print(f"{email} is not a valid email address. Please try again.")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 41: Simple Number Reversal

while True:
number = input("Enter a number to reverse (or type 'exit' to quit): ")

if number.lower() == 'exit':
break # Exit the loop if the user types 'exit'

reversed_number = number[::-1] # Reverse the string representation of the

number
print(f"The reversed number is: {reversed_number}")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 42: Simple String Counter

while True:
user_string = input("Enter a string (or type 'exit' to quit): ")

if user_string.lower() == 'exit':
break # Exit the loop if the user types 'exit'

char_to_count = input("Enter the character to count: ")

count = 0
index = 0

while index < len(user_string):

if user_string[index] == char_to_count:
count += 1
index += 1 # Move to the next character

print(f"The character '{char_to_count}' occurs {count} times in the string.")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 44: Simple Binary to Decimal Converter

while True:
binary_str = input("Enter a binary number (or type 'exit' to quit): ")

if binary_str.lower() == 'exit':
break # Exit the loop if the user types 'exit'

decimal_value = 0
index = 0

while index < len(binary_str):

if binary_str[-(index + 1)] == '1':
decimal_value += 2 ** index
index += 1

print(f"The decimal value of binary {binary_str} is: {decimal_value}")

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Example 45: Simple Character Frequency Counter

while True:
user_string = input("Enter a string (or type 'exit' to quit): ")
 if user_string.lower() == 'exit':
break # Exit the loop if the user types 'exit'

frequency = {}

index = 0
while index < len(user_string):
char = user_string[index]
if char in frequency:
frequency[char] += 1
else:
frequency[char] = 1
index += 1

print("Character frequencies:")
for char, count in frequency.items():
print(f"'{char}': {count}")

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::