Question

My grandmother is 68 years old but she is very fond of working on computer. She has created a list of family and friends to be invited for Diwali celebration. but she forgot to put the serial number. suggest me how can I help her to fill the serial numbers automatically alongwith the steps.
. Single line text.

Answer 1

Answer:

..............#...............#.....................#:.....:.........

Answer 2

Answer:

if she had created list in excel, just add 1 column at the starting and give serial numbers.