diff --git a/hw4/hw4_10.py b/hw4/hw4_10.py
index 23bcdf7..9aa7bd8 100644
--- a/hw4/hw4_10.py
+++ b/hw4/hw4_10.py
@@ -14,7 +14,7 @@ def read_data(filename):
             y.append(int(numbers[-1]))
     return x, y
 
-def format(features):
+def form(features):
     '''
         change to LIBSVM format
     '''
@@ -60,7 +60,7 @@ def transform(features):
 
 x, y = read_data(FILENAME)
 x = transform(x)
-x = format(x)
+x = form(x)
 prob = problem(y, x)
 lambda_powers = [-6, -4, -2, 0, 2]
 
@@ -78,12 +78,13 @@ for lambda_power in lambda_powers:
 
 ans, min_err = None, 1
 for i in results:
+    print(i['error'])
     if i['error'] <= min_err:
         min_err = i['error']
         ans = i
 
 print("the largest lambda: {}, log_10(lambda*): {}".format(10**ans['lambda'], ans['lambda']))
 
-    
+