diff --git a/datasets/mnist_add/get_mnist_add.py b/datasets/mnist_add/get_mnist_add.py
index 0c9a273..183f9a5 100644
--- a/datasets/mnist_add/get_mnist_add.py
+++ b/datasets/mnist_add/get_mnist_add.py
@@ -3,25 +3,22 @@ import torchvision
 from torch.utils.data import Dataset
 from torchvision.transforms import transforms
 
+def get_data(file, img_dataset):
+    X = []
+    Y = []
+    with open(file) as f:
+        for line in f:
+            line = line.strip().split(' ')
+            X.append((img_dataset[int(line[0])][0], img_dataset[int(line[1])][0]))
+            Y.append(int(line[2]))
+    return X, Y
+
 def get_mnist_add():
     transform = transforms.Compose([transforms.ToTensor(), transforms.Normalize((0.1307,), (0.3081, ))])
     img_dataset = torchvision.datasets.MNIST(root='./', train=True, download=True, transform=transform)
     
-    train_X = []
-    train_Y = []
-    with open('./train_data.txt') as f:
-        for line in f:
-            line = line.strip().split(' ')
-            train_X.append((img_dataset[int(line[0])][0], img_dataset[int(line[1])][0]))
-            train_Y.append(int(line[2]))
-    
-    test_X = []
-    test_Y = []
-    with open('./test_data.txt') as f:
-        for line in f:
-            line = line.strip().split(' ')
-            test_X.append((img_dataset[int(line[0])][0], img_dataset[int(line[1])][0]))
-            test_Y.append(int(line[2]))
+    train_X, train_Y = get_data('./train_data.txt', img_dataset)
+    test_X, test_Y = get_data('./test_data.txt', img_dataset)
     
     return train_X, train_Y, test_X, test_Y
 
@@ -29,4 +26,3 @@ if __name__ == "__main__":
     train_X, train_Y, test_X, test_Y = get_mnist_add()
     print(len(train_X), len(test_X))
     print(train_X[0][0].shape, train_X[0][1].shape, train_Y[0])
-