diff --git a/src/ex/q025.clj b/src/ex/q025.clj
index 9658214..0220182 100644
--- a/src/ex/q025.clj
+++ b/src/ex/q025.clj
@@ -2,7 +2,7 @@
  
 (ns ex.q025)
 
-(defn ans 
+(defn ans
   "Problem 25, Find the odd numbers"
   [coll]
   (filter odd? coll))
\ No newline at end of file
diff --git a/src/ex/q027.clj b/src/ex/q027.clj
index 0025ca4..c1a6407 100644
--- a/src/ex/q027.clj
+++ b/src/ex/q027.clj
@@ -2,7 +2,7 @@
  
 (ns ex.q027)
 
-(defn ans 
+(defn ans
   "Problem 27, Palindrome Detector"
   [coll]
   (= (seq coll) (reverse coll))) ;; O(n) time, but concise
\ No newline at end of file
diff --git a/test/ex/q012_test.clj b/test/ex/q012_test.clj
index d9189f7..418f85b 100644
--- a/test/ex/q012_test.clj
+++ b/test/ex/q012_test.clj
@@ -6,6 +6,6 @@
 
 (t/deftest test-q12
   (t/testing "Problem 12, Sequences"
-  (t/is (= (first '(3 2 1)) (sut/ans)))
-  (t/is (= (second [2 3 4]) (sut/ans)))
-  (t/is (= (last (list 1 2 3)) (sut/ans)))))
\ No newline at end of file
+    (t/is (= (first '(3 2 1)) (sut/ans)))
+    (t/is (= (second [2 3 4]) (sut/ans)))
+    (t/is (= (last (list 1 2 3)) (sut/ans)))))
\ No newline at end of file
diff --git a/test/ex/q042_test.clj b/test/ex/q042_test.clj
index 192435c..c3f3dd9 100644
--- a/test/ex/q042_test.clj
+++ b/test/ex/q042_test.clj
@@ -9,7 +9,7 @@
     (t/is (= 1 (sut/ans 1)))
     (t/is (= 6 (sut/ans 3)))
     (t/is (= 40320 (sut/ans 8)))
-    
+
     (t/is (= 1 (sut/ans2 1)))
     (t/is (= 6 (sut/ans2 3)))
     (t/is (= 40320 (sut/ans2 8)))))
\ No newline at end of file