input: Write a python function to randomly select a character from a given list.
  assert random_select(['A', 'B', 'C', 'D']) in ['A', 'B', 'C', 'D']
  assert random_select(['X', 'Y', 'Z']) in ['X', 'Y', 'Z']
  assert random_select(['1', '2', '3', '4', '5']) in ['1', '2', '3', '4', '5']
output: import random
  
  def random_select(char_list):
      return random.choice(char_list)