The program uses the math module, which provides mathematical functions, including the sqrt() function for calculating the square root. The user is prompted to enter a number. The program checks if ...

Python offers basic arithmetic functions similar to handheld calculators ... When you take the square root of 2 using the math library's sqrt function, you get a floating point approximation ...

The function then uses the magic number 0x5F3759DF to estimate the square root of the input number ... It's not in C code like the original but a Python script.