diff --git a/unit01_cipher_fundamentals/src/d_02.py b/unit01_cipher_fundamentals/src/d_02.py
index 810320d..351b543 100644
--- a/unit01_cipher_fundamentals/src/d_02.py
+++ b/unit01_cipher_fundamentals/src/d_02.py
@@ -18,4 +18,5 @@ def sieve_for_primes_to(n):
     return [2] + [i*2+1 for i, v in enumerate(sieve) if v and i>0]
  
 
-print sieve_for_primes_to(test)
+print (sieve_for_primes_to(test))
+