Python Array Fundamentals Without Built-ins

✅ Python Array Basics | Core Logic Without Built-ins Today I focused on strengthening array fundamentals in Python by solving multiple problems without using built-in functions. This helps in understanding how things work internally and builds real problem-solving confidence. 🧠 What I Practiced Today • Find maximum element without using max() • Find minimum element without using min() • Calculate sum of array elements • Count even and odd numbers • Replace negative numbers with 0 • Check if a target element exists • Find index of a target element 🔍 Approach • Used basic loops and condition checks • Avoided shortcuts to focus on logic • Improved clarity on traversal and comparisons ⏱ Complexity • Time: O(n) • Space: O(1) 📌 Key Learning Mastering basics without built-ins builds: Strong logic Interview confidence Better understanding of optimized solutions later These fundamentals directly help in DSA interviews and real debugging. ✅ Day 33 completed — sharpening the basics before moving faster. #DSA #Python #CodingPractice #ProblemSolving #LearningInPublic #SoftwareEngineering #CoreProgramming #Consistency #LeetCode

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