Python programming examples pdf 2025

That’s a big list! Here are 100 Python examples with solutions, covering different levels from beginner to advanced.

Basic Python Examples 🐍

1️⃣ Print "Hello, World!"

print("Hello, World!")

2️⃣ Add Two Numbers

a = 5
b = 3
sum = a + b
print(sum)  # Output: 8

3️⃣ Check Even or Odd

num = int(input("Enter a number: "))
if num % 2 == 0:
    print("Even")
else:
    print("Odd")

4️⃣ Find the Maximum of Two Numbers

a, b = 10, 20
print(max(a, b))  # Output: 20

5️⃣ Find Factorial of a Number

def factorial(n):
    return 1 if n == 0 else n * factorial(n - 1)

print(factorial(5))  # Output: 120

Loops and Conditions 🔄

6️⃣ Print Numbers 1 to 10

for i in range(1, 11):
    print(i)

7️⃣ Sum of First N Natural Numbers

n = int(input("Enter n: "))
print(n * (n + 1) // 2)  # Formula for sum of N natural numbers

8️⃣ Check Prime Number

num = int(input("Enter a number: "))
if num > 1:
    for i in range(2, num):
        if num % i == 0:
            print("Not Prime")
            break
    else:
        print("Prime")
else:
    print("Not Prime")

9️⃣ Fibonacci Series

n = int(input("Enter n: "))
a, b = 0, 1
for _ in range(n):
    print(a, end=" ")
    a, b = b, a + b

🔟 Reverse a Number

num = int(input("Enter a number: "))
rev = int(str(num)[::-1])
print(rev)

String Manipulations 📝

1️⃣1️⃣ Reverse a String

s = "Python"
print(s[::-1])  # Output: nohtyP

1️⃣2️⃣ Check Palindrome

s = input("Enter string: ")
print("Palindrome" if s == s[::-1] else "Not Palindrome")

1️⃣3️⃣ Count Vowels in a String

s = "hello world"
vowels = "aeiou"
print(sum(1 for char in s if char.lower() in vowels))  # Output: 3

1️⃣4️⃣ Remove Duplicates from a String

s = "hello"
print("".join(set(s)))  # Output: 'helo'

1️⃣5️⃣ Find the Most Frequent Character

from collections import Counter
s = "hello world"
print(Counter(s).most_common(1)[0])  # Output: ('l', 3)

Lists and Arrays 📋

1️⃣6️⃣ Find the Maximum Number in a List

lst = [1, 5, 3, 9, 2]
print(max(lst))  # Output: 9

1️⃣7️⃣ Find the Minimum Number in a List

print(min(lst))  # Output: 1

1️⃣8️⃣ Sum of All Elements in a List

print(sum(lst))  # Output: 20

1️⃣9️⃣ Find the Second Largest Number

print(sorted(set(lst))[-2])  # Output: 5

2️⃣0️⃣ Reverse a List

print(lst[::-1])  # Output: [2, 9, 3, 5, 1]

Dictionaries and Sets 🗂️

2️⃣1️⃣ Create a Dictionary

person = {"name": "Ali", "age": 25}
print(person["name"])  # Output: Ali

2️⃣2️⃣ Count Occurrences of Elements in a List

from collections import Counter
lst = [1, 2, 2, 3, 3, 3, 4]
print(Counter(lst))  # Output: {1:1, 2:2, 3:3, 4:1}

2️⃣3️⃣ Merge Two Dictionaries

d1 = {"a": 1, "b": 2}
d2 = {"b": 3, "c": 4}
d1.update(d2)
print(d1)  # Output: {'a': 1, 'b': 3, 'c': 4}

2️⃣4️⃣ Check if Key Exists in Dictionary

print("name" in person)  # Output: True

2️⃣5️⃣ Find Unique Elements in a List

lst = [1, 2, 2, 3, 4, 4]
print(set(lst))  # Output: {1, 2, 3, 4}

Advanced Topics 🚀

2️⃣6️⃣ Lambda Function to Square a Number

square = lambda x: x ** 2
print(square(5))  # Output: 25

2️⃣7️⃣ List Comprehension Example

squares = [x ** 2 for x in range(1, 6)]
print(squares)  # Output: [1, 4, 9, 16, 25]

2️⃣8️⃣ Filter Even Numbers from a List

evens = list(filter(lambda x: x % 2 == 0, lst))
print(evens)

2️⃣9️⃣ Map Function Example

nums = [1, 2, 3]
doubles = list(map(lambda x: x * 2, nums))
print(doubles)  # Output: [2, 4, 6]

3️⃣0️⃣ Find GCD (Greatest Common Divisor)

import math
print(math.gcd(8, 12))  # Output: 4

3️⃣1️⃣ Find LCM (Least Common Multiple)

import math
def lcm(a, b):
    return abs(a * b) // math.gcd(a, b)

print(lcm(8, 12))  # Output: 24

3️⃣2️⃣ Check if a Number is Armstrong

num = int(input("Enter a number: "))
sum_of_digits = sum(int(digit) ** len(str(num)) for digit in str(num))
print("Armstrong" if num == sum_of_digits else "Not Armstrong")

3️⃣3️⃣ Convert Celsius to Fahrenheit

celsius = float(input("Enter temperature in Celsius: "))
fahrenheit = (celsius * 9/5) + 32
print(f"Fahrenheit: {fahrenheit}")

3️⃣4️⃣ Convert Fahrenheit to Celsius

fahrenheit = float(input("Enter temperature in Fahrenheit: "))
celsius = (fahrenheit - 32) * 5/9
print(f"Celsius: {celsius}")

3️⃣5️⃣ Count Digits in a Number

num = int(input("Enter a number: "))
print(f"Number of digits: {len(str(num))}")

3️⃣6️⃣ Reverse a String

text = input("Enter a string: ")
print("Reversed:", text[::-1])

3️⃣7️⃣ Check if a String is Palindrome

text = input("Enter a string: ").lower()
print("Palindrome" if text == text[::-1] else "Not Palindrome")

3️⃣8️⃣ Find Factorial Using Recursion

def factorial(n):
    return 1 if n == 0 else n * factorial(n - 1)

print(factorial(5))  # Output: 120

3️⃣9️⃣ Count Vowels in a String

text = input("Enter a string: ").lower()
vowels = "aeiou"
count = sum(1 for char in text if char in vowels)
print(f"Vowel count: {count}")

4️⃣0️⃣ Find the Sum of Digits

num = int(input("Enter a number: "))
print(f"Sum of digits: {sum(int(digit) for digit in str(num))}")

4️⃣1️⃣ Find GCD (Greatest Common Divisor)

import math
a, b = map(int, input("Enter two numbers: ").split())
print(f"GCD: {math.gcd(a, b)}")

4️⃣2️⃣ Find the Power of a Number

base = int(input("Enter base: "))
exp = int(input("Enter exponent: "))
print(f"Result: {base ** exp}")

4️⃣3️⃣ Swap Two Variables Without Temp Variable

a, b = map(int, input("Enter two numbers: ").split())
a, b = b, a
print(f"Swapped: a = {a}, b = {b}")

4️⃣4️⃣ Find Largest Among Three Numbers

a, b, c = map(int, input("Enter three numbers: ").split())
print(f"Largest: {max(a, b, c)}")

4️⃣5️⃣ Convert Decimal to Binary

num = int(input("Enter a decimal number: "))
print(f"Binary: {bin(num)[2:]}")

4️⃣6️⃣ Convert Binary to Decimal

binary = input("Enter a binary number: ")
print(f"Decimal: {int(binary, 2)}")

4️⃣7️⃣ Find Sum of Natural Numbers

n = int(input("Enter a number: "))
print(f"Sum: {n * (n + 1) // 2}")

4️⃣8️⃣ Print Fibonacci Series (Iterative)

n = int(input("Enter number of terms: "))
a, b = 0, 1
for _ in range(n):
    print(a, end=" ")
    a, b = b, a + b

4️⃣9️⃣ Print Fibonacci Series (Recursive)

def fibonacci(n):
    return n if n <= 1 else fibonacci(n-1) + fibonacci(n-2)

n = int(input("Enter number of terms: "))
print([fibonacci(i) for i in range(n)])

5️⃣0️⃣ Check if a Number is Prime

num = int(input("Enter a number: "))
print("Prime" if num > 1 and all(num % i != 0 for i in range(2, int(num ** 0.5) + 1)) else "Not Prime")

5️⃣1️⃣ Print Prime Numbers in a Range

start, end = map(int, input("Enter range: ").split())
primes = [num for num in range(start, end + 1) if num > 1 and all(num % i != 0 for i in range(2, int(num ** 0.5) + 1))]
print("Primes:", primes)

5️⃣2️⃣ Find Square Root of a Number

import math
num = float(input("Enter a number: "))
print(f"Square root: {math.sqrt(num)}")

5️⃣3️⃣ Find Cube Root of a Number

num = float(input("Enter a number: "))
print(f"Cube root: {round(num ** (1/3), 6)}")

5️⃣4️⃣ Convert Inches to Centimeters

inches = float(input("Enter inches: "))
print(f"Centimeters: {inches * 2.54}")

5️⃣5️⃣ Find ASCII Value of a Character

char = input("Enter a character: ")
print(f"ASCII Value: {ord(char)}")

5️⃣6️⃣ Print Multiplication Table

num = int(input("Enter a number: "))
for i in range(1, 11):
    print(f"{num} x {i} = {num * i}")

5️⃣7️⃣ Reverse a Number

num = int(input("Enter a number: "))
print(f"Reversed: {int(str(num)[::-1])}")

5️⃣8️⃣ Check if a Year is Leap Year

year = int(input("Enter a year: "))
print("Leap Year" if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0) else "Not Leap Year")

5️⃣9️⃣ Find the Sum of a List

nums = list(map(int, input("Enter numbers: ").split()))
print(f"Sum: {sum(nums)}")

6️⃣0️⃣ Find the Average of a List

nums = list(map(int, input("Enter numbers: ").split()))
print(f"Average: {sum(nums) / len(nums)}")

6️⃣1️⃣ Find Maximum and Minimum in a List

nums = list(map(int, input("Enter numbers: ").split()))
print(f"Max: {max(nums)}, Min: {min(nums)}")

6️⃣2️⃣ Remove Duplicates from a List

nums = list(map(int, input("Enter numbers: ").split()))
print(f"Unique List: {list(set(nums))}")

6️⃣3️⃣ Count Occurrences of an Element in a List

nums = list(map(int, input("Enter numbers: ").split()))
target = int(input("Enter number to count: "))
print(f"Occurrences: {nums.count(target)}")

6️⃣4️⃣ Merge Two Lists and Sort

list1 = list(map(int, input("Enter first list: ").split()))
list2 = list(map(int, input("Enter second list: ").split()))
print(f"Merged & Sorted: {sorted(list1 + list2)}")

6️⃣5️⃣ Find the Second Largest Number in a List

nums = list(set(map(int, input("Enter numbers: ").split())))
nums.sort()
print(f"Second Largest: {nums[-2]}")

6️⃣6️⃣ Check if a List is Sorted

nums = list(map(int, input("Enter numbers: ").split()))
print("Sorted" if nums == sorted(nums) else "Not Sorted")

6️⃣7️⃣ Rotate a List Left by K Positions

nums = list(map(int, input("Enter numbers: ").split()))
k = int(input("Enter rotation count: ")) % len(nums)
print(f"Rotated List: {nums[k:] + nums[:k]}")

6️⃣8️⃣ Find Common Elements in Two Lists

list1 = set(map(int, input("Enter first list: ").split()))
list2 = set(map(int, input("Enter second list: ").split()))
print(f"Common Elements: {list(list1 & list2)}")

6️⃣9️⃣ Find Union of Two Lists

list1 = set(map(int, input("Enter first list: ").split()))
list2 = set(map(int, input("Enter second list: ").split()))
print(f"Union: {list(list1 | list2)}")

7️⃣0️⃣ Find Intersection of Two Lists

list1 = set(map(int, input("Enter first list: ").split()))
list2 = set(map(int, input("Enter second list: ").split()))
print(f"Intersection: {list(list1 & list2)}")

7️⃣1️⃣ Find the Difference Between Two Lists

list1 = set(map(int, input("Enter first list: ").split()))
list2 = set(map(int, input("Enter second list: ").split()))
print(f"Difference: {list(list1 - list2)}")

7️⃣2️⃣ Convert a List to a String

words = input("Enter words: ").split()
print(" ".join(words))

7️⃣3️⃣ Reverse a List

nums = list(map(int, input("Enter numbers: ").split()))
print(f"Reversed List: {nums[::-1]}")

7️⃣4️⃣ Flatten a Nested List

nested = [[1, 2], [3, 4, 5], [6]]
flat_list = [item for sublist in nested for item in sublist]
print(f"Flattened List: {flat_list}")

7️⃣5️⃣ Find the Frequency of Each Element in a List

from collections import Counter
nums = list(map(int, input("Enter numbers: ").split()))
print(dict(Counter(nums)))

7️⃣6️⃣ Find the Largest Word in a Sentence

words = input("Enter a sentence: ").split()
print(f"Largest Word: {max(words, key=len)}")

7️⃣7️⃣ Count Words in a Sentence

sentence = input("Enter a sentence: ")
print(f"Word Count: {len(sentence.split())}")

7️⃣8️⃣ Reverse Words in a Sentence

sentence = input("Enter a sentence: ")
print(" ".join(sentence.split()[::-1]))

7️⃣9️⃣ Check if a String Contains a Substring

text = input("Enter a string: ")
substring = input("Enter substring: ")
print("Found" if substring in text else "Not Found")

8️⃣0️⃣ Convert a String to Uppercase

text = input("Enter a string: ")
print(text.upper())

8️⃣1️⃣ Convert a String to Lowercase

text = input("Enter a string: ")
print(text.lower())

8️⃣2️⃣ Swap Case of a String

text = input("Enter a string: ")
print(text.swapcase())

8️⃣3️⃣ Title Case a String

text = input("Enter a string: ")
print(text.title())

8️⃣4️⃣ Remove Punctuation from a String

import string
text = input("Enter a string: ")
print(text.translate(str.maketrans('', '', string.punctuation)))

8️⃣5️⃣ Find the Length of a String

text = input("Enter a string: ")
print(len(text))

8️⃣6️⃣ Replace a Word in a String

text = input("Enter a sentence: ")
old, new = input("Enter old and new word: ").split()
print(text.replace(old, new))

8️⃣7️⃣ Check if a String is Alphanumeric

text = input("Enter a string: ")
print("Alphanumeric" if text.isalnum() else "Not Alphanumeric")

8️⃣8️⃣ Sort Words in a Sentence Alphabetically

text = input("Enter a sentence: ")
print(" ".join(sorted(text.split())))

8️⃣9️⃣ Check if a String Contains Only Digits

text = input("Enter a string: ")
print("Contains Only Digits" if text.isdigit() else "Not Only Digits")

9️⃣0️⃣ Find Common Characters in Two Strings

str1 = set(input("Enter first string: "))
str2 = set(input("Enter second string: "))
print(f"Common Characters: {''.join(str1 & str2)}")

9️⃣1️⃣ Remove Spaces from a String

text = input("Enter a string: ")
print(text.replace(" ", ""))

9️⃣2️⃣ Reverse Each Word in a Sentence

text = input("Enter a sentence: ")
print(" ".join(word[::-1] for word in text.split()))

9️⃣3️⃣ Find the Most Frequent Character in a String

from collections import Counter
text = input("Enter a string: ")
print(f"Most Frequent Character: {Counter(text).most_common(1)[0][0]}")

9️⃣4️⃣ Count Upper and Lowercase Letters

text = input("Enter a string: ")
upper = sum(1 for c in text if c.isupper())
lower = sum(1 for c in text if c.islower())
print(f"Uppercase: {upper}, Lowercase: {lower}")

9️⃣5️⃣ Check if a String is an Anagram

str1, str2 = input("Enter two strings: ").split()
print("Anagram" if sorted(str1) == sorted(str2) else "Not Anagram")

9️⃣6️⃣ Print Even Numbers in a List

nums = list(map(int, input("Enter numbers: ").split()))
print([n for n in nums if n % 2 == 0])

9️⃣7️⃣ Print Odd Numbers in a List

nums = list(map(int, input("Enter numbers: ").split()))
print([n for n in nums if n % 2 != 0])

9️⃣8️⃣ Find the Median of a List

nums = sorted(map(int, input("Enter numbers: ").split()))
n = len(nums)
print(f"Median: {(nums[n//2] if n % 2 else (nums[n//2 - 1] + nums[n//2]) / 2)}")

9️⃣9️⃣ Find the Mode of a List

from statistics import mode
nums = list(map(int, input("Enter numbers: ").split()))
print(f"Mode: {mode(nums)}")

🔟0️⃣ Generate a Random Number

import random
print(f"Random Number: {random.randint(1, 100)}")

That’s all 100 Python examples! 🚀🐍 Let me know if you need more! Just Start whatsapp chat😊