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Introduction
Looking to sharpen your Python skills? Whether you’re a beginner or an experienced developer, hands-on practice is the best way to master Python.
In this article, we present 21 Python mini projects with code that you can use for learning, portfolio building, or even final-year projects. Each project includes source code and explanations to help you understand key concepts. Plus, we’ll guide you on where to find Python mini projects with source code (PDF & GitHub links) to accelerate your learning journey.
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Why Work on Python Mini Projects?
Mini projects offer a practical way to:
- Reinforce Python fundamentals.
- Develop problem-solving skills.
- Build an impressive portfolio for job applications.
- Prepare for coding interviews.
- Work on real-world applications with manageable complexity.
21 Python Mini Projects with Code
Below are 21 exciting Python mini projects. Each project includes a brief description and its source code.
1. To-Do List App
tasks = []
def add_task(task):
tasks.append(task)
print("Task added!")
def show_tasks():
for i, task in enumerate(tasks, 1):
print(f"{i}. {task}")
add_task("Learn Python")
show_tasks()
2. Random Password Generator
import random
import string
def generate_password(length=12):
characters = string.ascii_letters + string.digits + string.punctuation
return ''.join(random.choice(characters) for _ in range(length))
print("Generated Password:", generate_password())
3. Weather App Using API
import requests
API_KEY = "your_api_key_here"
city = "New York"
url = f"http://api.openweathermap.org/data/2.5/weather?q={city}&appid={API_KEY}&units=metric"
response = requests.get(url)
weather_data = response.json()
print(f"Temperature in {city}: {weather_data['main']['temp']}°C")
4. Hangman Game
import random
words = ['python', 'java', 'kotlin', 'javascript']
word = random.choice(words)
guessed = ['_'] * len(word)
attempts = 6
while attempts > 0 and '_' in guessed:
guess = input("Guess a letter: ")
if guess in word:
for i, letter in enumerate(word):
if letter == guess:
guessed[i] = guess
else:
attempts -= 1
print(' '.join(guessed))
print("You won!" if '_' not in guessed else "You lost!")
5. Simple Calculator
def calculator():
try:
num1 = float(input("Enter first number: "))
operator = input("Enter operator (+, -, *, /): ")
num2 = float(input("Enter second number: "))
if operator == '+':
print(f"Result: {num1 + num2}")
elif operator == '-':
print(f"Result: {num1 - num2}")
elif operator == '*':
print(f"Result: {num1 * num2}")
elif operator == '/':
print(f"Result: {num1 / num2}")
else:
print("Invalid operator!")
except ValueError:
print("Invalid input! Please enter numbers.")
calculator()
6. Number Guessing Game
import random
number = random.randint(1, 100)
guess = None
while guess != number:
guess = int(input("Guess the number (1-100): "))
if guess > number:
print("Too high!")
elif guess < number:
print("Too low!")
else:
print("You guessed it!")
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7. Rock Paper Scissors Game
import random
choices = ['rock', 'paper', 'scissors']
user = input("Enter rock, paper, or scissors: ")
computer = random.choice(choices)
print(f"Computer chose: {computer}")
if user == computer:
print("It's a tie!")
elif (user == 'rock' and computer == 'scissors') or (user == 'paper' and computer == 'rock') or (user == 'scissors' and computer == 'paper'):
print("You win!")
else:
print("You lose!")
8. Tic-Tac-Toe Game
import random
def print_board(board):
for row in board:
print(" | ".join(row))
print("
")
def check_winner(board, player):
for row in board:
if all(s == player for s in row):
return True
for col in range(3):
if all(board[row][col] == player for row in range(3)):
return True
if all(board[i][i] == player for i in range(3)) or all(board[i][2-i] == player for i in range(3)):
return True
return False
def tic_tac_toe():
board = [[" " for _ in range(3)] for _ in range(3)]
players = ["X", "O"]
turn = 0
for _ in range(9):
print_board(board)
row, col = map(int, input(f"Player {players[turn]} enter row and col (0-2): ").split())
if board[row][col] == " ":
board[row][col] = players[turn]
if check_winner(board, players[turn]):
print_board(board)
print(f"Player {players[turn]} wins!")
return
turn = 1 - turn
else:
print("Invalid move! Try again.")
print("It's a tie!")
tic_tac_toe()
9. BMI Calculator
def bmi_calculator():
weight = float(input("Enter weight (kg): "))
height = float(input("Enter height (m): "))
bmi = weight / (height ** 2)
print(f"Your BMI is {bmi:.2f}")
if bmi < 18.5:
print("Underweight")
elif bmi < 24.9:
print("Normal weight")
elif bmi < 29.9:
print("Overweight")
else:
print("Obesity")
bmi_calculator()
10. Digital Clock
from tkinter import *
import time
def update_time():
current_time = time.strftime('%H:%M:%S')
label.config(text=current_time)
label.after(1000, update_time)
root = Tk()
root.title("Digital Clock")
label = Label(root, font=('Helvetica', 48), fg='red')
label.pack()
update_time()
root.mainloop()
11. Email Slicer
email = input("Enter your email: ")
username, domain = email.split("@")
print(f"Username: {username}, Domain: {domain}")
12. QR Code Generator
import qrcode
data = input("Enter text to generate QR code: ")
qr = qrcode.make(data)
qr.show()
13. Markdown to HTML Converter
import markdown
def convert_md_to_html():
md_text = """# Hello World
This is a markdown file!"""
html = markdown.markdown(md_text)
print(html)
convert_md_to_html()
14. Face Detection
import cv2
def detect_faces():
face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml")
img = cv2.imread("face.jpg")
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.1, 4)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x+w, y+h), (255, 0, 0), 2)
cv2.imshow("Face Detection", img)
cv2.waitKey(0)
detect_faces()
15. Text-to-Speech Converter
import pyttsx3
def text_to_speech():
text = input("Enter text to speak: ")
engine = pyttsx3.init()
engine.say(text)
engine.runAndWait()
text_to_speech()
16. Currency Converter
from forex_python.converter import CurrencyRates
def convert_currency():
c = CurrencyRates()
from_currency = input("From currency (USD, EUR, etc.): ")
to_currency = input("To currency: ")
amount = float(input("Amount: "))
result = c.convert(from_currency, to_currency, amount)
print(f"Converted amount: {result:.2f} {to_currency}")
convert_currency()
17. Expense Tracker
expenses = []
def add_expense():
item = input("Enter expense item: ")
amount = float(input("Enter amount: "))
expenses.append((item, amount))
def show_expenses():
for item, amount in expenses:
print(f"{item}: ${amount:.2f}")
add_expense()
show_expenses()
18. Web Scraper
import requests
from bs4 import BeautifulSoup
url = "https://example.com"
response = requests.get(url)
soup = BeautifulSoup(response.text, "html.parser")
print(soup.title.text)
19. Portfolio Website with Flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def home():
return "Welcome to my portfolio!"
app.run(debug=True)
20. Chatbot with OpenAI API
import openai
openai.api_key = "your_api_key_here"
prompt = input("Ask me anything: ")
response = openai.Completion.create(engine="text-davinci-003", prompt=prompt, max_tokens=100)
print(response["choices"][0]["text"])
21. AI Image Classifier
from tensorflow.keras.models import load_model
from tensorflow.keras.preprocessing import image
import numpy as np
model = load_model("model.h5")
img = image.load_img("test.jpg", target_size=(224, 224))
img_array = image.img_to_array(img)/255.0
img_array = np.expand_dims(img_array, axis=0)
prediction = model.predict(img_array)
print("Predicted class:", np.argmax(prediction))
Conclusion & Next Steps
These 21 Python mini projects are perfect for learning and building practical coding experience.
Call to Action:
🚀 Start coding now! Download the PDF or visit our GitHub repository.
💬 Have a project idea? Share it in the comments below!
🔗 Further Reading:
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