Python Projects & Free Books

Data Analytics A-Z

🎯 GigaChat 3.5 Reasoning: 5 Key Features 1️⃣ Advanced Reasoning: Explores multiple step-by-step paths, using automated verification to reinforce correct answers and self-correct 2️⃣ Autonomous Tool Usage: Independently decides when to call external APIs or revise earlier steps 3️⃣ Linear Attention: Proprietary architecture retains key context points without re-matching from scratch 4️⃣ Token Economy: Uses 37% fewer tokens than DeepSeek V4 Flash Preview on math problems 5️⃣ Proven Performance: Open-source LLM (built on GigaChat 3.5 Ultra) with massive benchmark gains: • IFBench: 44 → 77 • Natural Plan: 64 → 80 • LiveCodeBench v6: 56 → 85 🔗 MIT License. Weights on Hugging Face:  fp8 | bf16

Let’s dive into our first mini project using Python: Project 1: Number Guessing Game 🎯 Goal:  The computer randomly picks a number between 1 and 100. The user has to guess it — and the program gives hints like “Too High” or “Too Low” until the user gets it right. Code:

import random

number_to_guess = random.randint(1, 100)
guess = None
attempts = 0

print("Welcome to the Number Guessing Game!")
print("I'm thinking of a number between 1 and 100.")

while guess != number_to_guess:
    guess = int(input("Enter your guess: "))
    attempts += 1

    if guess < number_to_guess:
        print("Too low! Try again.")
    elif guess > number_to_guess:
        print("Too high! Try again.")
    else:
        print(f"Congratulations! You guessed it in {attempts} tries.")

Concepts used: • random.randint() for generating numbers • Taking user input using input() & converting input to integers • Using while loops and if-else logic React with ♥️ for the next project Important Python Concepts: https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L/1441 For all resources and cheat sheets, check out our Telegram channel  👇👇  https://t.me/pythonproz Hope it helps :)

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Roadmap to become a data analyst 1. Foundation Skills: •Strengthen Mathematics: Focus on statistics relevant to data analysis. •Excel Basics: Master fundamental Excel functions and formulas. 2. SQL Proficiency: •Learn SQL Basics: Understand SELECT statements, JOINs, and filtering. •Practice Database Queries: Work with databases to retrieve and manipulate data. 3. Excel Advanced Techniques: •Data Cleaning in Excel: Learn to handle missing data and outliers. •PivotTables and PivotCharts: Master these powerful tools for data summarization. 4. Data Visualization with Excel: •Create Visualizations: Learn to build charts and graphs in Excel. •Dashboard Creation: Understand how to design effective dashboards. 5. Power BI Introduction: •Install and Explore Power BI: Familiarize yourself with the interface. •Import Data: Learn to import and transform data using Power BI. 6. Power BI Data Modeling: •Relationships: Understand and establish relationships between tables. •DAX (Data Analysis Expressions): Learn the basics of DAX for calculations. 7. Advanced Power BI Features: •Advanced Visualizations: Explore complex visualizations in Power BI. •Custom Measures and Columns: Utilize DAX for customized data calculations. 8. Integration of Excel, SQL, and Power BI: •Importing Data from SQL to Power BI: Practice connecting and importing data. •Excel and Power BI Integration: Learn how to use Excel data in Power BI. 9. Business Intelligence Best Practices: •Data Storytelling: Develop skills in presenting insights effectively. •Performance Optimization: Optimize reports and dashboards for efficiency. 10. Build a Portfolio: •Showcase Excel Projects: Highlight your data analysis skills using Excel. •Power BI Projects: Feature Power BI dashboards and reports in your portfolio. 11. Continuous Learning and Certification: •Stay Updated: Keep track of new features in Excel, SQL, and Power BI. •Consider Certifications: Obtain relevant certifications to validate your skills.

🐍 Python Roadmap 1️⃣ Basics: 📝📜 Syntax, Variables, Data Types 2️⃣ Control Flow: 🔄🤖 If-Else, Loops, Functions 3️⃣ Data Structures: 🗂️🔢 Lists, Tuples, Dictionaries, Sets 4️⃣ OOP in Python: 📦🎭 Classes, Inheritance, Decorators 5️⃣ File Handling: 📄📂 Read/Write, JSON, CSV 6️⃣ Modules & Libraries: 📦🚀 NumPy, Pandas, Matplotlib 7️⃣ Web Development: 🌍🔧 Flask, Django, FastAPI 8️⃣ Automation & Scripting: 🤖🛠️ Web Scraping, Selenium, Bash Scripting 9️⃣ Machine Learning: 🧠📈 TensorFlow, Scikit-learn, PyTorch 🔟 Projects & Practice: 📂🎯 Create apps, scripts, and contribute to open source React ❤️ for more

🔰 Comprehensions in python with example

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✅ Complete Roadmap to Learn Python Programming 🐍💻 Week 1: Python Basics • Install Python and VS Code • Learn variables, data types, input, output • Practice arithmetic and string operations • Write 10 small programs Example: Calculator, temperature converter Week 2: Control Flow • Learn if, else, elif • Learn for and while loops • Use break and continue • Solve 20 logic problems Example: Number guessing game Week 3: Data Structures • Lists, tuples, sets, dictionaries • Indexing, slicing, methods • Loop through collections • Solve real problems Example: Student marks analysis Week 4: Functions and Modules • Define functions • Use parameters and return values • Learn lambda functions • Import built-in modules Example: Reusable math utility Week 5: Strings and File Handling • String methods and formatting • Read and write files • Handle CSV and text files • Build small file-based programs Example: Log file analyzer Week 6: Error Handling and Debugging • Learn try, except, finally • Understand common errors • Use print and debugger • Fix broken programs Example: Robust input validator Week 7: Object-Oriented Programming • Classes and objects • Constructors and methods • Inheritance and encapsulation • Build simple class-based apps Example: Bank account system Week 8: Standard Libraries • datetime, math, random • os and sys basics • Work with JSON • Write utility scripts Example: Automated folder organizer Week 9: Working with External Packages • Learn pip and virtual environments • Use requests library • Basic API calls • Handle API responses Example: Weather app using API Week 10: Data Handling Basics • Intro to NumPy • Intro to Pandas • Read CSV and Excel files • Basic data cleaning Example: Sales data summary Week 11: Mini Projects • Build 2 small projects • Focus on logic and structure • Write clean, readable code Examples: • To-do list app • Expense tracker Week 12: Final Project and Revision • Build one end-to-end project • Revise core concepts • Practice interview-style questions Example projects: • Simple automation tool • Data analysis mini project Daily Rule for You: • Code at least 60 minutes • Solve 5 problems daily • Rewrite old code weekly Double Tap ♥️ For Detailed Explanation

🔰 Comprehensions in python with example

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Here are some tricky🧩 SQL interview questions! 1. Find the second-highest salary in a table without using LIMIT or TOP. 2. Write a SQL query to find all employees who earn more than their managers. 3. Find the duplicate rows in a table without using GROUP BY. 4. Write a SQL query to find the top 10% of earners in a table. 5. Find the cumulative sum of a column in a table. 6. Write a SQL query to find all employees who have never taken a leave. 7. Find the difference between the current row and the next row in a table. 8. Write a SQL query to find all departments with more than one employee. 9. Find the maximum value of a column for each group without using GROUP BY. 10. Write a SQL query to find all employees who have taken more than 3 leaves in a month. These questions are designed to test your SQL skills, including your ability to write efficient queries, think creatively, and solve complex problems. Here are the answers to these questions: 1. SELECT MAX(salary) FROM table WHERE salary NOT IN (SELECT MAX(salary) FROM table) 2. SELECT e1.* FROM employees e1 JOIN employees e2 ON e1.manager_id = (link unavailable) WHERE e1.salary > e2.salary 3. SELECT * FROM table WHERE rowid IN (SELECT rowid FROM table GROUP BY column HAVING COUNT(*) > 1) 4. SELECT * FROM table WHERE salary > (SELECT PERCENTILE_CONT(0.9) WITHIN GROUP (ORDER BY salary) FROM table) 5. SELECT column, SUM(column) OVER (ORDER BY rowid) FROM table 6. SELECT * FROM employees WHERE id NOT IN (SELECT employee_id FROM leaves) 7. SELECT *, column - LEAD(column) OVER (ORDER BY rowid) FROM table 8. SELECT department FROM employees GROUP BY department HAVING COUNT(*) > 1 9. SELECT MAX(column) FROM table WHERE column NOT IN (SELECT MAX(column) FROM table GROUP BY group_column) Here you can find essential SQL Interview Resources👇 https://t.me/mysqldata Like this post if you need more 👍❤️ Hope it helps :)

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15 Best Project Ideas for Python : 🐍 🚀 Beginner Level: 1. Simple Calculator 2. To-Do List 3. Number Guessing Game 4. Dice Rolling Simulator 5. Word Counter 🌟 Intermediate Level: 6. Weather App 7. URL Shortener 8. Movie Recommender System 9. Chatbot 10. Image Caption Generator 🌌 Advanced Level: 11. Stock Market Analysis 12. Autonomous Drone Control 13. Music Genre Classification 14. Real-Time Object Detection 15. Natural Language Processing (NLP) Sentiment Analysis

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🔰 Python functions

If you work with Python, remember a simple rule: do not modify a list while iterating over it. 🐍🛑 This can lead to unexpected results because the iterator does not track structural changes. Here is an example that looks logical but works incorrectly: 🤔

items = [1, 2, 2, 3, 4]
for item in items:
    if item == 2:
        items.remove(item)
print(items)
# Output: [1, 2, 3, 4]

It seems that all 2s should disappear, but one remains. ❓ Why? After removing an element, the list shifts, but the loop moves on — as a result, some values are simply skipped. 🔄🚫 How to do it correctly — iterate over a copy: ✅

for item in items[:]:
    if item == 2:
          items.remove(item)
print(items)
# Output: [1, 3, 4]

Even better — use list comprehension: 🚀 items = [x for x in items if x != 2] Conclusion: 🏁 do not modify a collection during iteration. This can lead to skipped elements, duplication, or even errors during execution. 🛠️🚧 #Python #Coding #Programming #Debugging #TechTips #PythonTips

Python Basics Arrays & Loops 🐍 Essential you need to start strong 💪 https://t.me/pythonRe 🔗

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