Python solution for week 4, part 2

2 files changed, 41 insertions, 0 deletions

diff --git a/challenge-004/abigail/README.md b/challenge-004/abigail/README.md
index 382ede17cd..07a11c980b 100644
--- a/challenge-004/abigail/README.md
+++ b/challenge-004/abigail/README.md
@@ -51,3 +51,4 @@ The sets of letters are read from standard input.
 * [Lua](lua/ch-2.lua)
 * [Node.js](node/ch-2.js)
 * [Perl](perl/ch-2.pl)
+* [Pyton](python/ch-2.py)
diff --git a/challenge-004/abigail/python/ch-2.py b/challenge-004/abigail/python/ch-2.py
new file mode 100644
index 0000000000..4e94f7fe7d
--- /dev/null
+++ b/challenge-004/abigail/python/ch-2.py
@@ -0,0 +1,40 @@
+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as python ch-2.py < input-file
+#
+
+import fileinput
+import getopt
+import sys
+
+#
+# Parse options
+#
+opts, args = getopt . getopt (sys . argv [1:], 'f:')
+for opt, val in opts:
+    if   opt == "-f":
+        filename = val
+
+
+#
+# Find the words in 'filename' which can be constructed
+# from the letters in 'letters'.
+#
+def find_words (filename, letters):
+    letters = list (letters . lower () . strip ())
+    for word in open (filename):
+        word = word . strip ()
+        copy = word . lower ()
+        for letter in letters:
+            copy = copy . replace (letter, "", 1)
+        if copy == "":
+            print (word)
+
+
+for line in fileinput . input ('-'):
+    find_words (filename, line . strip ())