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diff --git a/challenge-137/abigail/python/ch-2.py b/challenge-137/abigail/python/ch-2.py
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+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as: python ch-2.py < input-file
+#
+
+import fileinput
+
+def reverse (num):
+ rev = 0
+ while num > 0:
+ rev = rev * 10 + (num % 10)
+ num = num // 10
+ return rev
+
+
+def ly (num):
+ if num >= 10000000:
+ return 1
+ if num == reverse (num):
+ return 0
+ return ly (num + reverse (num))
+
+for number in fileinput . input ():
+ print (ly (int (number)))