Python solutions for week 135

3 files changed, 58 insertions, 0 deletions

diff --git a/challenge-135/abigail/README.md b/challenge-135/abigail/README.md
index 9f6cb7b1ff..a69904f5c4 100644
--- a/challenge-135/abigail/README.md
+++ b/challenge-135/abigail/README.md
@@ -8,6 +8,7 @@
 * [Lua](lua/ch-1.lua)
 * [Node.js](node/ch-1.js)
 * [Perl](perl/ch-1.pl)
+* [Python](python/ch-1.py)
 
 ## Part 2
 
@@ -17,3 +18,4 @@
 * [Lua](lua/ch-2.lua)
 * [Node.js](node/ch-2.js)
 * [Perl](perl/ch-2.pl)
+* [Python](python/ch-2.py)
diff --git a/challenge-135/abigail/python/ch-1.py b/challenge-135/abigail/python/ch-1.py
new file mode 100644
index 0000000000..451fa94c9f
--- /dev/null
+++ b/challenge-135/abigail/python/ch-1.py
@@ -0,0 +1,24 @@
+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as: python ch-1.py < input-file
+#
+
+import fileinput
+import re
+
+for line in fileinput . input ():
+    line = re . sub (r'^[-+]', '', line . strip ())
+    ll = len (line)
+    if re . search (r'[^0-9]', line):
+        print ("not an integer")
+    elif ll % 2 == 0:
+        print ("even number of digits")
+    elif ll < 3:
+        print ("too short")
+    else:
+        print (line [(ll - 3) // 2 : (ll + 3) // 2])
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)