Use `import math`
Use `math.sqrt(x)`
Use `x ** 0.5`
Use `pow(x, 0.5)`
Use `cmath.sqrt(x)` for complex numbers
Use `numpy.sqrt(x)` if using NumPy
Use `import math`
Use `math.sqrt(x)`
Use `x ** 0.5`
Use `pow(x, 0.5)`
Use `cmath.sqrt(x)` for complex numbers
Use `numpy.sqrt(x)` if using NumPy