new_contents: #!/usr/bin/env python
  
  '''
  It can generate the activation code
  '''
  
  import random
  #import string
  
  f = open('C:\Users\zzl\Desktop\2.txt','w')
  for x in range(200):
  	words = [chr(a) for a in range(65,91)]+[chr(a) for a in range(97,122)]+[str(a) for a in range(0,11)]
  	# It is equal to string.ascii_letters + string.digits
  	slice = random.sample(words,10)
  	temp = str(words)
  	f.write(temp)
  f.close()
  
subject: Create 0001.py