diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 410bdd576..0bcbb6872 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -13,3 +13,4 @@ Chinmaya Mahesh
 Unlambder
 Kjetil Johannessen
 CDsigma
+Emil Kerimov
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diff --git a/chapters/euclidean_algorithm/code/python/euclidean_example.py b/chapters/euclidean_algorithm/code/python/euclidean_example.py
index 3e6d22851..ab8c0688e 100644
--- a/chapters/euclidean_algorithm/code/python/euclidean_example.py
+++ b/chapters/euclidean_algorithm/code/python/euclidean_example.py
@@ -1,5 +1,5 @@
+# submitted by KerimovEmil
 def euclid_mod(a, b):
-
     a = abs(a)
     b = abs(b)
 
@@ -8,8 +8,8 @@ def euclid_mod(a, b):
 
     return a
 
-def euclid_sub(a, b):
 
+def euclid_sub(a, b):
     a = abs(a)
     b = abs(b)
 
@@ -25,4 +25,4 @@ def main():
     print(euclid_mod(64 * 67, 64 * 81))
     print(euclid_sub(128 * 12, 128 * 77))
 
-main()
+main()
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