🚀 100 Days of Code: Day 63 Array Creation - Building From Scratch Today explored array creation patterns - learning how to generate new arrays programmatically rather than working with existing ones. Discovered multiple ways to solve the same problem! 📐 Problem 1: Create Array of Squares Challenge: Given a number n, create an array [1, 4, 9, 16, ...] up to n² Approach: Looped from 1 to n, squared each number, and appended to a new array. Complexity: ⏱️ Time: O(n) 💾 Space: O(n) Insight: Building arrays dynamically requires both time (for computation) and space (to store results). The trade-off is unavoidable when creating new data! 🎨 Problem 2: Fill Array with a Value Challenge: Create an array of size n filled with a specific number Approach - Version 1 (Loop-based): Iterated n times, appending the value each time. ⏱️ Time: O(n) 💾 Space: O(n) Approach - Version 2 (Python idiom): Used list multiplication: [val] * num ⏱️ Time: O(1) ✨ 💾 Space: O(n) Major Insight: Python's list multiplication is a built-in optimization! Instead of explicit looping (O(n)), it uses internal C-level operations making it effectively O(1) for the operation itself. This is a game-changer for filling arrays! 📋 Problem 3: Copy an Array Challenge: Create a duplicate of an existing array Approach - Manual Method: Looped through original array and appended each element to a new array. Alternative Python Methods Discovered: copied_array = array[:] (slicing) copied_array = list(array) (type conversion) Complexity (All methods): ⏱️ Time: O(n) 💾 Space: O(n) Insight: Multiple ways to achieve the same result! While the manual loop helps understand the process, Python's built-in methods are more concise and often optimized under the hood. 💡 Key Learnings Today's session revealed important patterns in array creation: ✅ Space-Time Relationship: Array creation almost always requires O(n) space - you can't create n elements without using n space! ✅ Python Idioms vs Explicit Loops: Built-in Python operations can be more efficient than manual loops ✅ Multiple Solutions: There's often more than one way to solve a problem - understanding trade-offs is key ✅ Shallow vs Deep Copy Awareness: Today's copying creates shallow copies - important to know for nested structures! 🎯 Pattern Recognition Days 57-60: Reading arrays (traversal fundamentals) Day 61: Modifying arrays (transformations) Day 62: Searching arrays (finding elements) Day 63: Creating arrays (generation) ✨ The foundation is solid! Ready for more complex array algorithms. 🔗GitHub Repository: https://lnkd.in/gsucUW-F #100DaysOfCode #Python #Arrays #Algorithms #DataStructures #CodeOptimization #LearningInPublic
"100 Days of Code: Day 63 - Array Creation Patterns in Python"
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🧠 Learning Update: Deep Dive into Advanced Python OOP Concepts As part of my Python learning journey today, I explored and practiced core Object-Oriented Programming (OOP) concepts in depth — understanding not just the syntax, but also how data is managed and executed internally in memory. 🔍 Topics Covered: 🔹 Code Reusability Techniques – Aggregation, Inheritance (Single, Multiple, Hierarchical, Multilevel, Hybrid) 🔹 Polymorphism – Method Overriding & achieving Method Overloading using default arguments 🔹 Constructor and Method Chaining – Using super() and ClassName() 🔹 MRO (Method Resolution Order) – Execution hierarchy in inheritance 🔹 Magic / Dunder / Special Methods – Customizing class behavior 🔹 Operator Overloading – Enhancing user-defined objects with operators 🔹 Encapsulation – Public, Protected, and Private members 🔹 Abstraction – Implementing real-world logic using abstract classes (ABC module) 📘 Practiced a real-time abstraction example – building a TimeTable abstract class and creating individual student schedules using method implementation, demonstrating how abstraction and inheritance improve scalability and maintainability. 💡 This session strengthened my understanding of code reuse, class structure, and design efficiency — essential skills for a professional Python and Backend Developer. #️⃣ #Python #OOPsConcepts #AdvancedPython #BackendDeveloper #PythonDeveloper #SoftwareEngineer #CodeReusability #Abstraction #Encapsulation #Inheritance #Polymorphism #MethodOverriding #OperatorOverloading #MethodResolutionOrder #ProgrammingConcepts #DeveloperGrowth #CodingJourney #CleanCode #TechLearning #SelfLearning #FullStackDevelopment #PythonProgramming #BackendEngineering #LearnCodingDaily #DevelopersCommunity #CodeSmart #BuildInPython #DailyLearning #SoftwareDevelopment
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Start String 💻 If you enter the coding world, your skills will shine brighter each day ✨ 🧠 Patience, logic, and practice make the real magic happen ⚙️ 🤖 Enter the coding world — where every error teaches, and every fix polishes your skill 💡 🐍 Python, AI, or any code — the more you learn, the more your brain sharpens 🧠✨ 💡 Coding isn’t just typing — it’s training your brain to think smarter every day ⚙️ ⏳ Step by step, line by line, your skill gets polished in the coding world 💻
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