title: How to rename file and copy it with the new name in a new folder (Python)?
body: <pre><code>import numpy as np
  import os
  import matplotlib.pyplot as plt
  
  # Loading Data
  Srcpath ='/mnt/SrcFolder'
  Destpath='/mnt/DestFolder'
  
  traces= os.listdir(path)
  with open(File_Sensitive_Value, 'wb') as fp:
    for trace in traces:
  
      Plaintext = Extract_Plaintext(trace)
      print(Plaintext)
      Ciphertext= Extract_Ciphertext(trace)
      Key= Extract_Key(trace)  
      print(Key)
      filepath = os.path.join(path, trace)
      dataArray= np.load(filepath)
      // sbox is function that have used to have the correct Sensitive value. 
      Sensitive_Value = (sbox[int(Plaintext[0:2],16) ^ int(Key[0:2],16)])
      print ("Plaintext=", int(Plaintext[0:2],16))
      print("Key=", int(Key[0:2],16))
      print ("Sensitive_Value=", Sensitive_Value)
  
      os.rename(os.path.join(path,trace), os.path.join(path_Sensitive_Value, trace[:-4]+'_'+'SenVal='+str('{:03}'.format(Sensitive_Value))+'.npy'))
  </code></pre>
  
  <p>After finding the new name of each file in my Src folder, I need to copy each file with its new name in the destfolder, od course with giving the original name of each file in the Src Folder. My solution, code lets me to delecte all the original files.  How to resole this problem pleasee? </p>