introduction xv project bagelsdeduce secret three-digit number based on clues practice using constants project birthday paradoxdetermine the probability that two people share the same birthday in groups of different sizes use python' datetime module project bitmap messagedisplay message on the screen configured by bitmap image work with multiline strings project blackjacka classic card game played against an ai dealer learn about unicode characters and code points project bouncing dvd logosimulates the colorful bouncing dvd logo of decades past work with coordinates and colorful text project caesar ciphera simple encryption scheme used thousands of years ago convert between letters and numbers to perform math on text project caesar hackera program to decrypt caesar cipher messages without the encryption key implement brute-force cryptanalysis algorithm project calendar makercreate calendar pages for given year and month use python' datetime module and the timedelta data type project carrot in boxa silly bluffing game between two players create ascii art project cho-hana gambling dice game from feudal japan practice using random numbers and dictionary data structures