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Pointer arithmetic enables direct memory manipulation in C, offering significant advantages for efficient programming. Key applications include: Dynamic Memory Management Pointer arithmetic facilitates flexible memory allocation using heap operations: int* dynamicArray = (int*)calloc(5, sizeof(int)); if (dynamicArray) { dynamicArray[2] = 42 ...

A fundamental function definition in Python requires a fixed number of parameters: def add(x, y): return x + y print(add(1, 2)) # Output: 3 Here, x and y are positional parameters — you must pass exactly two arguments in order. But what happens when you need a function that can handle a varying number of arguments? This is common in many ...