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-rw-r--r--prolog/problems/lists/len_2/common.py2
-rw-r--r--prolog/problems/lists/len_2/en.py2
2 files changed, 4 insertions, 0 deletions
diff --git a/prolog/problems/lists/len_2/common.py b/prolog/problems/lists/len_2/common.py
index 62be9cc..33fc223 100644
--- a/prolog/problems/lists/len_2/common.py
+++ b/prolog/problems/lists/len_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 119
group = 'lists'
number = 26
diff --git a/prolog/problems/lists/len_2/en.py b/prolog/problems/lists/len_2/en.py
index b3e277c..325e28f 100644
--- a/prolog/problems/lists/len_2/en.py
+++ b/prolog/problems/lists/len_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 119
name = 'len/2'
slug = 'find the length of a list'