{ "blurb": "Check if a given string is a valid ISBN-10 number.", "authors": [ "creaaa" ], "contributors": [ "bitfield", "ekingery", "ferhatelmas", "h311ion", "hilary", "kytrinyx", "leenipper", "sebito91", "tinsch" ], "files": { "solution": [ "isbn_verifier.go" ], "test": [ "isbn_verifier_test.go" ], "example": [ ".meta/example.go" ], "editor": [ "cases_test.go" ] }, "source": "Converting a string into a number and some basic processing utilizing a relatable real world example.", "source_url": "https://en.wikipedia.org/wiki/International_Standard_Book_Number#ISBN-10_check_digit_calculation" }