Want to do a project any ideas

Answer 1

Credit Card Validator - Takes in a credit card number from a common credit card vendor (Visa, MasterCard, American Express, Discoverer) and validates it to make sure that it is a valid number (look into how credit cards use a checksum).

Answer 2

calculator,
to-do-list,
tasks manager,
tic tac toe(AI vs human),
weather app, etc.

Answer 3

Fortune Teller (Horoscope) – A program that checks your horoscope on various astrology sites and puts them together for you each day.

Answer 4

sudoku, mastermind

Answer 5

n = gets.strip.chomp # Ruby: Card Validator (Luhn ISO/IEC 7812)
_isin = n.reverse.upcase.chars.map{ |chr| id = [*?0..?9, *?A..?Z].rindex(chr); id > 9 ? [id / 10, id %10] : id }.flatten.map.with_index{ |elem, id| num = id.even? ? elem : elem * 2; num > 9 ? num - 9 : num }.reduce(:+) %10 == 0 # ⛑️bopoh13, Sep 27 2018

Answer 6

thanks

Answer 7

any other suggestions?