Count the Number of Digits in an Integer in Python


num = 12345
print(len(str(num)))


Output: 5

Explaination:- https://youtube.com/shorts/5LN_JZNlYqo

Find Maximum Digit in a Number Using Built in Function


num = 59284
print(int(max(str(num))))

Output: 9

Explaination:- https://youtube.com/shorts/cz4UDAzmhFw

Find Maximum Digit in a Number Without Built in Function


num = 59284
max_digit = 0

while num > 0:
digit = num % 10
if digit > max_digit:
max_digit = digit
num = num // 10

print(max_digit)

Output: 9

Explaination:- https://youtube.com/shorts/xjZfaV7Xdjk

Find the Factors of a Number in Python

num = 12
for i in range(1, num+1):
if num % i == 0:
print(i)

Output:
1
2
3
4
6
12

Explaination:- https://youtube.com/shorts/qvt2EB5_4b4

Find GCD of Two Numbers in Python

import math

a = int(input("Enter first number: "))
b = int(input("Enter second number: "))

result = math.gcd(a, b)
print("GCD of", a, "and", b, "is:", result)


Output
Input → 12, 18
GCD of 12 and 18 is: 6



Explaination:- https://youtube.com/shorts/QGd32oNoz6k

Find LCM of Two Numbers in Python

import math

a = int(input("Enter first number: "))
b = int(input("Enter second number: "))

gcd = math.gcd(a, b)
lcm = (a * b) // gcd

print("LCM of", a, "and", b, "is:", lcm)


Output
Input → 12, 18
LCM of 12 and 18 is: 36


Explaination:- https://youtube.com/shorts/N17ktpEOMoI

Check Whether a Number is Palindrome or Not

num = 121
temp = num
rev = 0

while num > 0:
digit = num % 10
rev = rev * 10 + digit
num = num // 10

if temp == rev:
print("Palindrome")
else:
print("Not Palindrome")


Output
Input → 121 → Palindrome
Input → 123 → Not Palindrome


Explaination:- https://youtube.com/shorts/Aql1suBSlys

Find Square & Cube of Number | Python

num = 5

square = num ** 2
cube = num ** 3

print("Square:", square)
print("Cube:", cube)

Output
Input → 5
Square: 25
Cube: 125


Explaination:- https://youtube.com/shorts/bXydwbsH5eY

Calculate the Average of N Numbers

n = int(input("How many numbers? "))

numbers = []
for i in range(n):
num = float(input("Enter number: "))
numbers.append(num)

total = sum(numbers)
average = total / n

print("Average =", average)

Output
Input → 5 numbers: 10, 20, 30, 40, 50
Average = 30.0

Explaination:- https://youtube.com/shorts/g3ddbmTOyBk

Convert a Decimal Number to Binary

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

binary = bin(num)
print("Binary with prefix:", binary)
print("Binary without prefix:", binary[2:])

Output
Input → 10
Binary with prefix: 0b1010
Binary without prefix: 1010

Explaination:- https://youtube.com/shorts/ExCnEOeiRoM

Day 1 - Find Sum of N Odd Numbers

def sum_odd_numbers(n):
return n * n

print(sum_odd_numbers(5)) # 25


Output
Input → 5
Output → 25

Explaination:- https://youtube.com/shorts/jTcG6qdsezg

Day 2 - Find Sum of N Even Numbers

def sum_even_numbers(n):
return n * (n + 1)

print(sum_even_numbers(5)) # 30


Output
Input → 5
Output → 30


Explaination:- https://youtube.com/shorts/GzKIyDgCZFk

Day 3 - Convert Binary to Decimal in Just 1 Minute!

def binary_to_decimal(binary_str):
decimal = 0
power = len(binary_str) - 1
for digit in binary_str:
decimal += int(digit) * (2 ** power)
power -= 1
return decimal

print(binary_to_decimal("1010")) # 10
print(binary_to_decimal("1111")) # 15


Output
Input → "1010" → Output → 10
Input → "1111" → Output → 15


Explaination:- https://youtube.com/shorts/b6t5G9AV71w

Day 4 - Convert Octal to Decimal in Just 1 Minute!

def octal_to_decimal(octal_str):
decimal = 0
power = len(octal_str) - 1
for digit in octal_str:
decimal += int(digit) * (8 ** power)
power -= 1
return decimal

print(octal_to_decimal("12")) # 10
print(octal_to_decimal("77")) # 63


Output
Input → "12" → Output → 10
Input → "77" → Output → 63


Explaination:- https://youtube.com/shorts/2uqOZSl40Ms

Day 5 - Sum of All Elements in a Matrix

def matrix_sum(matrix):
total = 0
for row in matrix:
for element in row:
total += element
return total

# Example
matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
print(matrix_sum(matrix)) # 45


Output
Input → [[1,2,3],[4,5,6],[7,8,9]]
Output → 45


Explaination:- https://youtube.com/shorts/sediRwo9SgE

Day 6 - Count Vowels and Consonants in a String

def count_vowels_consonants(text):
vowels = "aeiou"
v_count = 0
c_count = 0

for char in text.lower():
if char in vowels:
v_count += 1
elif char.isalpha():
c_count += 1

return v_count, c_count

text = input("Enter a text: ")
v, c = count_vowels_consonants(text)
print("Vowels:", v)
print("Consonants:", c)


Output
Input → Hello World
Vowels: 3
Consonants: 7


Explaination:- https://youtube.com/shorts/HhYb_mDR5Js

Day 7 - Remove Vowels from a String

def remove_vowels(text):
vowels = "aeiouAEIOU"
result = ""
for char in text:
if char not in vowels:
result += char
return result

print(remove_vowels("Hello World"))


Output
Input → Hello World
Output → Hll Wrld

Explaination:- https://youtube.com/shorts/dyVn8hwiFLQ

Day 8 - Check Whether a Number is Armstrong or not

def is_armstrong(num):
digits = [int(d) for d in str(num)]
power = len(digits)
return sum(d ** power for d in digits) == num

print(is_armstrong(153)) # True
print(is_armstrong(123)) # False


Output
Input → 153
True
Input → 123
False

Explaination:- https://youtube.com/shorts/KpLZNPkGc2M

Day 9 - Calculate Power of a Number

def power(x, y):
result = 1
for _ in range(y):
result *= x
return result

print(power(2, 3)) # 8
print(power(5, 2)) # 25


Output
Input → 2 3
Output → 8

Input → 5 2
Output → 25

Explaination:- https://youtube.com/shorts/0IENdrRgI-M

Day 10 - Check Whether a Number is Perfect or Not

def is_perfect_number(num):
if num <= 1:
return False
divisors_sum = 0
for i in range(1, num):
if num % i == 0:
divisors_sum += i
return divisors_sum == num

print(is_perfect_number(6)) # True
print(is_perfect_number(28)) # True
print(is_perfect_number(12)) # False


Output
Input → 6
Output → True

Input → 28
Output → True

Input → 12
Output → False

Explaination:- https://youtube.com/shorts/WTQr72jBICM