python basics.py

#write a program in py to accept a number from the user and print digits of the number in a reverse order

a = int(input("Enter a number: "))

reversed_number = int(str(a)[::-1])


print("Reversed Number:", reversed_number)

# write a py program to chek leap year or not

def function():
    year = int(input("Enter a year: "))
    if (year % 4 == 0 and year % 100!= 0) or (year % 400 == 0):
        print(year, "is a leap year.")
    else: 
        print(year, "is not a leap year.")

function()


# 2)accept string from user and perform following operations calculate length of string reverse the string 

def function2():
    string = input("Enter a string: ")
    length = len(string)
    print("Length of the string is: ", length)
    reversed_string = string[::-1]

function2()

# 3) python program that accept string from user and perform following operations calculate length of string and reverse string.

def function3():
    string = input("Enter a string: ")
    length = len(string)
    print("Length of the string is: ", length)
    reversed_string = string[::-1]

# 4) py program that accepts string from user and chek equality of 2 string

def function4():
    string1 = input("Enter the first string: ")
    string2 = input("Enter the second string: ")
    if string1 == string2:
        print("Both strings are equal.")
    else:
        print("Both strings are not equal.")

# 5) py program that finds the sum of all the numbers in a list using a while loop 

def function5():
    numbers = [1, 2, 3, 4, 5]
    total_sum = 0
    i = 0
    while i < len(numbers):
        total_sum += numbers[i]
        i += 1
    print("The sum of the numbers is:", total_sum)

# Call the function
function5()

#6) write a python to find whether the perticuler element is present in the list using a loop

def function6():
    numbers = [1, 2, 3, 4, 5]
    element = 4
    for num in numbers:
        if num == element:
            print(element, "is present in the list.")
            break
    else:
        print(element, "is not present in the list.")

#7) program to find out the greatest number from three number using function 

def find_greatest():
    num1 = int(input("Enter first number: "))
    num2 = int(input("Enter second number: "))
    num3 = int(input("Enter third number: "))
    if num1 > num2 and num1 > num3:
        return num1
    elif num2 > num1 and num2 > num3:
        return num2
    else:
        return num3

# Call the function and display the result
greatest_number = find_greatest()
print("The greatest number is:", greatest_number)

#8) string methods 

#Upper

def function8():
    string = input("Enter a string: ")
    print("Uppercase:", string.upper())

#Lower

def function9():
    string = input("Enter a string: ")
    print("Lowercase:", string.lower())

#Title

def function10():
    string = input("Enter a string: ")
    print("Title Case:", string.title())

#Replace

def function11():
    string = input("Enter a string: ")
    old_char = input("Enter the old character: ")
    new_char = input("Enter the new character: ")
    print("Replaced String:", string.replace(old_char, new_char))