1 files changed, 23 insertions, 0 deletions
diff --git a/challenge-130/abigail/python/ch-1.py b/challenge-130/abigail/python/ch-1.py
new file mode 100644
index 0000000000..f102e20ac9
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+++ b/challenge-130/abigail/python/ch-1.py
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+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as: python ch-1.py < input-file
+#
+
+import fileinput
+import re
+
+for line in fileinput . input ():
+    numbers = {}
+    for x in re . findall ('[1-9][0-9]*', line):
+        if x in numbers:
+            numbers [x] = numbers [x] + 1
+        else:
+            numbers [x] = 1
+    for number in numbers:
+        if numbers [number] % 2 == 1:
+            print (number)