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| author | Mohammad S Anwar <mohammad.anwar@yahoo.com> | 2022-04-25 23:06:23 +0100 |
|---|---|---|
| committer | Mohammad S Anwar <mohammad.anwar@yahoo.com> | 2022-04-25 23:06:23 +0100 |
| commit | bbee5c1408c2b451c1e801b7c2fceda4a3b55243 (patch) | |
| tree | 0eeff28170a963222865edaa144c0d0cbc2f9215 /challenge-162/eric-cheung/python/ch-1.py | |
| parent | 532aa12e1c9375daea3dda8ea514abeb434b8949 (diff) | |
| download | perlweeklychallenge-club-bbee5c1408c2b451c1e801b7c2fceda4a3b55243.tar.gz perlweeklychallenge-club-bbee5c1408c2b451c1e801b7c2fceda4a3b55243.tar.bz2 perlweeklychallenge-club-bbee5c1408c2b451c1e801b7c2fceda4a3b55243.zip | |
- Added guest solutions by Eric Cheung.
Diffstat (limited to 'challenge-162/eric-cheung/python/ch-1.py')
| -rwxr-xr-x | challenge-162/eric-cheung/python/ch-1.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/challenge-162/eric-cheung/python/ch-1.py b/challenge-162/eric-cheung/python/ch-1.py new file mode 100755 index 0000000000..e2586a422c --- /dev/null +++ b/challenge-162/eric-cheung/python/ch-1.py @@ -0,0 +1,17 @@ +
+def getCheckDigit_13(strISBN_12):
+
+ arrFactor = [1, 3]
+ nSum = 0
+ for nLoop in range(0, len(strISBN_12)):
+ nSum = nSum + int(strISBN_12[nLoop]) * arrFactor[nLoop % 2]
+
+ return (10 - nSum % 10) % 10
+
+
+strISBN = "978030640615"
+
+strISBN_Nu = "{}-{}-{}-{}".format(strISBN[:3], strISBN[3:4], strISBN[4:7], strISBN[7:])
+
+## print ("ISBN-13 check digit for " + strISBN + " is " + str(getCheckDigit_13(strISBN)))
+print ("ISBN-13 check digit for " + strISBN_Nu + " is " + str(getCheckDigit_13(strISBN)))
|