text: import numpy as np
  import matplotlib.pyplot as plt
  
  a = np.arange(-10, 10, 0.1)
  b = np.zeros([10, 10])
  c = np.sin(a)
  d = np.linspace(0, 10, 100)
  e = np.random.random()
  f = np.random.choice(a)
  print(f)