Not geeting the exact output geeting 2 three times

#1
#2

hello @anshulgurawalia

check now->

#3

This output is also incorrect
the correct output of the test case would be :
[1, 1, 2, 2, 3]

#4

check now->

#5

not passing the test cases

#6

check our output , it is printing extra comma in the end