input: Write a function to print a random element from a given list. If the list is empty, print "List is empty".
  assert select_random_element(["apple", "banana", "mango", "pear", "grape"])=="Random fruit: " + random.choice(["apple", "banana", "mango", "pear", "grape"])
  assert select_random_element([])=="List is empty"
  assert select_random_element(["orange"])=="Random fruit: orange"
output: import random
  
  def select_random_element(lst):
      if not lst:
          return "List is empty"
      return "Random fruit: " + random.choice(lst)