code: def simple_moving_average(x, n=10):
      
      if x.ndim > 1 and len(x[0]) > 1:
          x = np.average(x, axis=1)
      a = np.ones(n) / float(n)
      return np.convolve(x, a, 'valid')
docs: Calculate simple moving average
  
      Parameters
      ----------
      x : ndarray
          A numpy array
      n : integer
          The number of sample points used to make average
  
      Returns
      -------
      ndarray
          A 1 x n numpy array instance