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-rw-r--r--prolog/problems/trees/tolistbt_2/common.py2
-rw-r--r--prolog/problems/trees/tolistbt_2/en.py2
2 files changed, 4 insertions, 0 deletions
diff --git a/prolog/problems/trees/tolistbt_2/common.py b/prolog/problems/trees/tolistbt_2/common.py
index 6df7cdd..c9765df 100644
--- a/prolog/problems/trees/tolistbt_2/common.py
+++ b/prolog/problems/trees/tolistbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 141
group = 'trees'
number = 46
diff --git a/prolog/problems/trees/tolistbt_2/en.py b/prolog/problems/trees/tolistbt_2/en.py
index c4bf5ba..e67fffb 100644
--- a/prolog/problems/trees/tolistbt_2/en.py
+++ b/prolog/problems/trees/tolistbt_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 141
name = 'tolistBT/2'
slug = 'construct a list with all elements of a binary tree'