text: import numpy as np
  import pandas as pd
  from scipy.signal import find_peaks as fp
  
  
  def str_to_func(string: str):
      """
      convert method string to function
  
      Args:
          string (str): method name as function
  
      Returns:
          func: method
      """
      from cpfinder.methods import bocpd
      from cpfinder.methods import rulsif
  
      if string == "bocpd":
          return bocpd
      if string == "rulsif":
          return rulsif
  
  
  def smoothen(x, winsize=5):
      return np.array(pd.Series(x).rolling(winsize).mean())[winsize - 1 :]
  
  
  def find_peaks(score):
      return fp(score, height=1, distance=50)[0]
  