Cannot understand what is wrong with my code

my code prints the same hollow rhombus as given in the question, then what is the test case, that I am failing?

according to the explanation given, first line contains 4 spaces, i am not able to understand this part, can you help me with that?

hi @siddharthkumaree21b954_52c884d346b69187 what u need to understand? yes in output first line has 4 spaces

that’s the thing I am not getting, that 4 spaces is according to the test case provided to me.
can you see my code and correct me, where I am wrong