input: Write a function to print a random element from a given list of strings. If the list is empty, print "No fruits available".
  assert print_random_element(["apple", "banana", "mango", "pear", "grape"])==None
  assert print_random_element([])==None
output: import random
  
  def print_random_element(fruits):
      if fruits:
          print(random.choice(fruits))
      else:
          print("No fruits available")