diff --git a/train.py b/train.py
index ea5996f..f5641af 100644
--- a/train.py
+++ b/train.py
@@ -29,7 +29,7 @@ def Likelihood(self, data, hypo):
 
 
 def main():
-    hypos = xrange(100, 1001)
+    hypos = range(100, 1001)
     suite = Train(hypos)
 
     suite.Update(321)
diff --git a/train2.py b/train2.py
index 20aca75..4122375 100644
--- a/train2.py
+++ b/train2.py
@@ -31,7 +31,7 @@ def Likelihood(self, data, hypo):
 
 
 def main():
-    hypos = xrange(1, 101)
+    hypos = range(1, 101)
     suite = Train(hypos)
 
     suite.Update(25)
diff --git a/train_soln.py b/train_soln.py
index 28508e1..af5664f 100644
--- a/train_soln.py
+++ b/train_soln.py
@@ -31,7 +31,7 @@ def Likelihood(self, data, hypo):
 
 
 def main():
-    hypos = xrange(100, 1001)
+    hypos = range(100, 1001)
     suite = Train(hypos)
 
     suite.Update(321)