code: def find_mature(x, y, win=10):
      
      previous = min(y)
      peaks = []
      intervals = range(x, y, win)
      for pos in intervals:
          if y[pos] > previous * 10:
              previous = y[pos]
              peaks.add(pos)
      peaks = _summarize_peaks(peaks)
docs: Window apprach to find hills in the expression profile