Need to add column numbers above the headers in Output

[hemant86]

Hi All,

I have a input as shown below. I need to add column numbers above the headers. Appreciate if anyone can guide me on this.

Input:

Header1	Header2	Header3	Header4	Header5	Header6
Data1	Data2	Data3	Data4	Data5	Data6
Data1	Data2	Data3	Data4	Data5	Data6
Data1	Data2	Data3	Data4	Data5	Data6

Required Output:

1	2	3	4	5	6
Header1	Header2	Header3	Header4	Header5	Header6
Data1	Data2	Data3	Data4	Data5	Data6
Data1	Data2	Data3	Data4	Data5	Data6
Data1	Data2	Data3	Data4	Data5	Data6

Thanks in advance

[atcodedog05]

Happy to help : ) @hemant86 

Cheers and have a nice day!