1 files changed, 32 insertions, 0 deletions
diff --git a/challenge-135/abigail/python/ch-2.py b/challenge-135/abigail/python/ch-2.py
new file mode 100644
index 0000000000..93ba2921e2
--- /dev/null
+++ b/challenge-135/abigail/python/ch-2.py
@@ -0,0 +1,32 @@
+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as: python ch-2.py < input-file
+#
+
+import fileinput
+import re
+
+w = [1, 3, 1, 7, 3, 9, 1]
+
+for line in fileinput . input ():
+    line = line . strip ()
+    if re . search (r'^[0-9BCDFGHJKLMNPQRSTVWXYZ]{7}$', line):
+        check = 0
+        for i in range (len (line)):
+            val = ord (line [i : i + 1])
+            if val <= ord ("9"):
+                val = val - ord ("0")
+            else:
+                val = val - ord ("A") + 10
+            check = check + w [i] * val
+        if check % 10 == 0:
+            print (1)
+        else:
+            print (0)
+    else:
+        print (0)