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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def random_id(size=8, chars=string.ascii_letters + string.digits):
 	"""Generates a random string of given size from the given chars. 	@param size: The size of the random string. 	@param chars: Constituent pool of characters to draw random characters from. 	@type size: number 	@type chars: string 	@rtype: string 	@return: The string of random characters. 	"""

	return ''.join(random.choice(chars) for _ in range(size))