🧵 Master Python Strings with M.A.G.I.C.S. Strings are immutable sequences of characters. They are the most common data type you will encounter in Python. The Golden Rule: You cannot change a string in place. Every time you “modify” a string (like upper-casing or replacing), Python actually creates a brand new string for you. The Framework … Read more
💎 Master Python Priority Queues with M.A.G.I.C.S. A standard Queue is a line where you wait your turn. A Priority Queue is a VIP club. It doesn’t matter when you arrived; if you have the “Smallest Number” (Highest Priority), you cut the line and go straight to the front. In Python, we use the heapq … Read more
🚶 Master Python Queues with M.A.G.I.C.S. A Queue is a linear data structure that follows the FIFO (First-In, First-Out) principle. Think of a line at a coffee shop: the first person to join the line is the first person to get served. Crucial Warning: Never use a standard List [] for a Queue! Removing items … Read more
📚 Master Python Stacks with M.A.G.I.C.S. A Stack is a linear data structure that follows the LIFO (Last-In, First-Out) principle. Think of a stack of plates: the last plate you put on top is the first one you must take off. In Python, we don’t need a special library for this. We simply use a … Read more
🐍 Master Python Lists with M.A.G.I.C.S. Lists are the single most used data structure in Python. Whether you are a beginner or preparing for a coding interview, you need to know more than just .append(). To help you remember every operation instantly, we use the M.A.G.I.C.S. framework. The Framework Letter Category Meaning Key Methods M … Read more