docs: def random_string_lower_numeric(size):
  	"""
  	Generate a random string of *size* length consisting of lowercase letters
  	and numbers. This function is not meant for cryptographic purposes.
  
  	:param int size: The length of the string to return.
  	:return: A string consisting of random characters.
  	:rtype: str
  	"""
  	# requirements = random, string
  	return ''.join(random.choice(string.ascii_lowercase + string.digits) for x in range(size))