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-rw-r--r--prolog/problems/trees/insertbt_3/common.py2
-rw-r--r--prolog/problems/trees/insertbt_3/en.py2
2 files changed, 4 insertions, 0 deletions
diff --git a/prolog/problems/trees/insertbt_3/common.py b/prolog/problems/trees/insertbt_3/common.py
index efbfb7d..1653183 100644
--- a/prolog/problems/trees/insertbt_3/common.py
+++ b/prolog/problems/trees/insertbt_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 138
group = 'trees'
number = 48
diff --git a/prolog/problems/trees/insertbt_3/en.py b/prolog/problems/trees/insertbt_3/en.py
index 202df0a..dec4050 100644
--- a/prolog/problems/trees/insertbt_3/en.py
+++ b/prolog/problems/trees/insertbt_3/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 138
name = 'insertBT/3'
slug = 'insert an element into a binary tree'