Adding missing 0 case so that if the input is 0, 0 is returned#9

SoumyaMishra0608 wants to merge 1 commit intoCMU-313:mainCMU-313/github-recitation:mainfrom

varshaasj:fixing-missing-0-case-issuevarshaasj/github-recitation:fixing-missing-0-case-issueCopy head branch name to clipboard