Python 1: Celsius to Fahrenheit Converter

def celsius_to_fahrenheit(celsius):
    return (celsius * 9/5) + 32

def fahrenheit_to_celsius(fahrenheit):
    return (fahrenheit - 32) * 5/9

print("Temperature Converter")
print("1. Celsius to Fahrenheit")
print("2. Fahrenheit to Celsius")
choice = input("Choose an option (1 or 2): ")

if choice == '1':
    celsius = float(input("Enter temperature in Celsius: "))
    fahrenheit = celsius_to_fahrenheit(celsius)
    print(f"{celsius}°C is equal to {fahrenheit:.2f}°F")

elif choice == '2':
    fahrenheit = float(input("Enter temperature in Fahrenheit: "))
    celsius = fahrenheit_to_celsius(fahrenheit)
    print(f"{fahrenheit}°F is equal to {celsius:.2f}°C")

else:
    print("Invalid choice. Please choose 1 or 2.")
        

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Python 2: Student Marklist

class StudentData:
    def __init__(self):
        self.total = 0.00
        self.average = 0.00
        self.percentage = 0.00
        self.marks = []
        self.max_marks = 0.00
    
    def main(self):
        print("Enter the mark of five subjects:")
        for i in range(5):
            self.marks.append(int(input()))
    
    def calc_max_marks(self):
        self.max_marks = len(self.marks) * 100
        return self.max_marks
    
    def calc_total(self):
        self.total = sum(self.marks)
        return self.total
    
    def calc_average(self):
        self.average = self.calc_total() / len(self.marks)
        return self.average
    
    def calc_percentage(self):
        self.percentage = (self.calc_total() / self.calc_max_marks()) * 100
        return self.percentage
    
    def calc_grade(self):
        if self.average >= 90:
            return 'A'
        elif self.average >= 80:
            return 'B'
        elif self.average >= 70:
            return 'C'
        elif self.average >= 60:
            return 'D'
        else:
            return 'E'
    
    def calc_result(self):
        passed = all(mark > 40 for mark in self.marks)
        return "Passed" if passed else "Failed"

if __name__ == "__main__":
    student_data = StudentData()
    student_data.main()
    print("\n The Total Marks:\t", student_data.calc_total(), "/", student_data.calc_max_marks())
    print("\n The Average is:\t", student_data.calc_average())
    print("\n The Percentage is:\t", student_data.calc_percentage(), "%")
    print("\n The Grade is:\t", student_data.calc_grade())
    print("\n The result is:\t", student_data.calc_result())
        

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Python 3: Area Calculation

import math

def cal_area_rec(length, width):
    return length * width

def cal_area_sqa(side):
    return side ** 2

def cal_area_cir(radius):
    return math.pi * radius ** 2

def cal_area_tri(base, height):
    return 0.5 * base * height

def main():
    print("Enter the shape to find the area:")
    print("\n1. Rectangle\n2. Square\n3. Circle\n4. Triangle")
    choice = int(input("Enter your choice: "))
    
    if choice == 1:
        length = float(input("Enter the length of the rectangle: "))
        width = float(input("Enter the width of the rectangle: "))
        area = cal_area_rec(length, width)
        print("Area of rectangle =", area)
    elif choice == 2:
        side = float(input("Enter the side of the square: "))
        area = cal_area_sqa(side)
        print("Area of Square =", area)
    elif choice == 3:
        radius = float(input("Enter the radius of the circle: "))
        area = cal_area_cir(radius)
        print("Area of Circle =", area)
    elif choice == 4:
        base = float(input("Enter the base of the triangle: "))
        height = float(input("Enter the height of the triangle: "))
        area = cal_area_tri(base, height)
        print("Area of Triangle =", area)
    else:
        print("Invalid Choice")

if __name__ == "__main__":
    main()
        

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Program 4: FactoriaL

def recursive_factorial(n):
    if n == 0 or n == 1:
        return 1
    return n * recursive_factorial(n - 1)

number = int(input("Enter a number to find its factorial: "))
if number < 0:
    print("Factorial of a negative number is not defined")
else:
    print(f"The factorial of {number} is {recursive_factorial(number)}")
        

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Program 5: Odd or even

def count_odd_even(numbers):
    even_count = sum(1 for num in numbers if num % 2 == 0)
    odd_count = len(numbers) - even_count
    return even_count, odd_count

N = int(input("Enter the number of elements in the array: "))
numbers = [int(input(f"Enter number {i+1}: ")) for i in range(N)]

even_count, odd_count = count_odd_even(numbers)
print(f"Number of even numbers: {even_count}")
print(f"Number of odd numbers: {odd_count}")
        

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Program 6: Pattern

rows = 5
for i in range(1, rows + 1):
    print('* ' * i)
for i in range(rows - 1, 0, -1):
    print('* ' * i)

        

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Program 7: Turtle

import turtle

def create_turtle_window(width, height):
    screen = turtle.Screen()
    screen.bgcolor("green")
    screen.setup(width, height)
    return screen

def fill_circle(color):
    turtle.fillcolor(color)
    turtle.begin_fill()
    turtle.circle(100)
    turtle.end_fill()

if __name__ == "__main__":
    screen = create_turtle_window(800, 600)
    turtle.speed(10)
    turtle.penup()
    turtle.goto(0, 0)
    turtle.pendown()
    fill_circle("Pink")
    screen.exitonclick()

        

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Program 8: Dictionary

inputDict = {4: 10, 1: 30, 10: 50, 2: 70, 8: 90}
print("Input Dictionary:", inputDict)
keysum = sum(inputDict.keys())
print("Sum of keys in inputDict =", keysum)

        

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Program 9: Hangman game

import time

name = input("What is your name? ")
print("Hello", name, "Time to play Hangman!")
time.sleep(1)
print("Start guessing...")
time.sleep(1)

word = "Secret"
guesses = ""
turns = 10

while turns > 0:
    failed = 0
    guess = input("Guess a character: ")
    guesses += guess
    for char in word:
        if char in guesses:
            print(char, end=" ")
        else:
            print("_", end=" ")
            failed += 1
    print()
    if failed == 0:
        print("You Won!")
        break
    turns -= 1
    print(f"Wrong! You have {turns} more guesses left.")
if turns == 0:
    print("You Lose!")

        

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# Program 10: Count Tuples

Tuple_data = ('a', 'a', 'c', 'b', 'd')
List_data = ['a', 'b']
Total_count = sum(Tuple_data.count(item) for item in List_data)
print("Occurrences of all items of the list in the tuple is", Total_count)


        

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