[~] Refactor

python/tasks/mlb_player.py

@@ -1,8 +1,12 @@
 import glob
 import os
 import pandas
+import pickle
 
 def kernel_1():
+    t4 = 'kernel_1-t3.dat'
+
+    def preprocess(t4):
         t1 = '/kaggle/input/mlb-player-digital-engagement-forecasting'
         t2 = glob.glob(
             os.path.join(
@@ -10,13 +14,21 @@ def kernel_1():
                 '*.csv'
             )
         )
+
         t3 = {
             o : pandas.read_csv(o)
             for o in t2
         }
 
+        with io.open(t4, 'wb') as f:
+            pickle.dump(t3, f)
+
+    if not os.path.exists(t4):
+        preprocess(t4=t4)
+
+    with io.open(t4, 'rb') as f:
+        t3 = pickle.load(f)
+
     return dict(
-        t1=t1,
-        t2=t2,
         t3=t3,
     )