def get_sorted_nums(my_num):

   my_num = ''.join(sorted(my_num))
   my_num = int(my_num)
   print(my_num)

def merged_list(my_list):

   my_list = list(map(str, my_list))
   my_str = ''.join(my_list)
   get_sorted_nums(my_str)

my_list = [7, 845, 69, 60, 99, 11]
print("The list is :")
print(my_list)
print("The result is :")
merged_list(my_list)

The list is :
[7, 845, 69, 60, 99, 11]
The result is :
11456678999