===== Exercise 1 =====

  - What is the difference between np.copy() and np.view() in NumPy?
  - What function in NumPy can be used to reshape an array without changing its data? Provide an example.
  - What is numerical differentiation, and how can it be implemented in NumPy?
  - Write a Python function using NumPy to compute the determinant of a 3x3 matrix.
  - Implement a function to calculate the eigenvalues of a given matrix using NumPy.