string random generator (Sorry if too stupid, but i am a beginner)

[Bjorn Pettersen]

> From: Gustavo Vieira Goncalves Coelho Rios 
> 
> Hi folks!
> 
> I am in need for a function that return a string of len x 
> random generated, like
> 
> strrnd(5)
> 'Df%d^'
> 
> strrnd(2)
> '&@'
> 
> 
> I have the following code: The problem is that i don't known 
> how to map a int to a char.
> 
> import random
> def strrnd(n = 24) :
> 	result = []
> 	while n :
> 		n = n - 1
> 		result.append(random.randrange(1,255,1))
> 	return result
> 
> How may i get what i want. (Sorry if too basic, but i am a 
> python beginner).
> Another problem: This functins will be called thousands of 
> time a minute, so performance is a definitive requirement.

Something along these lines should work:

  import random, string

  def randomWord(length):
      res = ''
      for i in range(length):
          res += random.choice(string.letters)
      return res

-- bjorn