text: 
  def union (a,b,m,n):
      #add both the array 
      result = a+b
      #return the sorted array
      # set() does not contain any duplicate elements
      return sorted(set(result))
  
  #Driver's code 
  a=[2,2,3,4,5]
  b=[1,1,2,3,4]
  m= len(a)
  n= len(b)
  print(union(a,b,m,n))
  