tasks a-s

Task/SEDOLs/Python/sedols.py

@@ -0,0 +1,25 @@
+def char2value(c):
+  assert c not in 'AEIOU', "No vowels"
+  return int(c, 36)
+
+sedolweight = [1,3,1,7,3,9]
+
+def checksum(sedol):
+    tmp = sum(map(lambda ch, weight: char2value(ch) * weight,
+                  sedol, sedolweight)
+               )
+    return str((10 - (tmp % 10)) % 10)
+
+for sedol in '''
+    710889
+    B0YBKJ
+    406566
+    B0YBLH
+    228276
+    B0YBKL
+    557910
+    B0YBKR
+    585284
+    B0YBKT
+    '''.split():
+    print sedol + checksum(sedol)