text: #Standardize Mobile Number Using Decorators
  
  def wrapper(f):
      def fun(l):
         f(map(lambda x: "+91 " + x[-10:-5] + " " + x[-5:], l)) 
      return fun
  
  #Decorators 2 - Name Directory
  
  
  
  def person_lister(f):
      def inner(people):
          # complete the function
          return map(f, sorted(people, key=lambda x: int(x[2])))         
      return inner
  