Question

given a list of numbers find and print the first number that occurs only once in the list and the first number that occurs more than once in the list

sample input 1:

5 5 4 7 4 1 11

sample output 1:

7

5

sample input 2:

1 2 3 4 5 6 7 8 9

sample output 2:

1

None

Answer 1

if __name__ == '__main__':
   data = [int(i) for i in input().split()]

   uniq_number = None
   repeate_number = None

   for i in data:
       if data.count(i) == 1:
           uniq_number = i
           break

   for i in data:
       if data.count(i) > 1:
           repeate_number = i
           break

   print(uniq_number)
   print(repeate_number)