diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a14642a..e97f849 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="8a8ba9af-e1a4-433a-9968-475192610776" name="Default" comment="">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/cnn/word_accetuation/cnn_dictionary/cnn.ipynb" afterPath="$PROJECT_DIR$/cnn/word_accetuation/cnn_dictionary/cnn.ipynb" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/prepare_data.py" afterPath="$PROJECT_DIR$/prepare_data.py" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -32,8 +34,8 @@
       <file leaf-file-name="prepare_data.py" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/prepare_data.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="504">
-              <caret line="315" column="28" lean-forward="false" selection-start-line="315" selection-start-column="28" selection-end-line="315" selection-end-column="28" />
+            <state relative-caret-position="406">
+              <caret line="461" column="22" lean-forward="false" selection-start-line="461" selection-start-column="22" selection-end-line="461" selection-end-column="22" />
               <folding>
                 <element signature="e#24#63#0" expanded="true" />
               </folding>
@@ -135,6 +137,7 @@
       <find>split_number</find>
       <find>StringIO</find>
       <find>shuffle_inputs</find>
+      <find>generator</find>
     </findStrings>
   </component>
   <component name="Git.Settings">
@@ -178,7 +181,7 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scope" />
+      <pane id="Scratches" />
       <pane id="ProjectPane">
         <subPane>
           <PATH>
@@ -205,49 +208,9 @@
               <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
             </PATH_ELEMENT>
           </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="cnn" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="word_accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="cnn" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="word_accetuation" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="cnn_dictionary" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
         </subPane>
       </pane>
-      <pane id="Scratches" />
+      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -860,8 +823,8 @@
     <entry file="file://$PROJECT_DIR$/cnn/word_accetuation/cnn_dictionary/cnn_test_on_other_attributes.ipynb" />
     <entry file="file://$PROJECT_DIR$/prepare_data.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="504">
-          <caret line="315" column="28" lean-forward="false" selection-start-line="315" selection-start-column="28" selection-end-line="315" selection-end-column="28" />
+        <state relative-caret-position="406">
+          <caret line="461" column="22" lean-forward="false" selection-start-line="461" selection-start-column="22" selection-end-line="461" selection-end-column="22" />
           <folding>
             <element signature="e#24#63#0" expanded="true" />
           </folding>
@@ -928,12 +891,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/cnn/word_accetuation/cnn_dictionary/character_based_ffnn_keras.ipynb">
-      <provider selected="true" editor-type-id="ipnb-editor">
-        <state>
-          <selected id="-1" />
-        </state>
-      </provider>
-    </entry>
+    <entry file="file://$PROJECT_DIR$/cnn/word_accetuation/cnn_dictionary/character_based_ffnn_keras.ipynb" />
   </component>
 </project>
\ No newline at end of file
diff --git a/prepare_data.py b/prepare_data.py
index 2465409..9e149fb 100644
--- a/prepare_data.py
+++ b/prepare_data.py
@@ -7,6 +7,7 @@ import h5py
 import gc
 import math
 
+
 # functions for saving, loading and shuffling whole arrays to ram
 def save_inputs(file_name, X, y, other_features=[]):
     h5f = h5py.File(file_name, 'w')
@@ -18,6 +19,7 @@ def save_inputs(file_name, X, y, other_features=[]):
         h5f.create_dataset(k, data=v)
     h5f.close()
 
+
 def load_inputs(file_name, other_features=False):
     h5f = h5py.File(file_name,'r')
     X = h5f['X'][:]
@@ -42,6 +44,7 @@ def shuffle_inputs(X, y, X_pure=[]):
     else:
         return X, y
 
+
 # functions for saving and loading partial arrays to ram
 def create_and_save_inputs(file_name, part, X, y, X_pure):
     # X, y, X_pure = generate_full_vowel_matrix_inputs()
@@ -51,6 +54,7 @@ def create_and_save_inputs(file_name, part, X, y, X_pure):
         h5f.create_dataset(k,data=v)
     h5f.close()
 
+
 def load_extended_inputs(file_name, obtain_range):
     h5f = h5py.File(file_name,'r')
     X = h5f['X'][obtain_range[0]:obtain_range[1]]
@@ -70,6 +74,7 @@ def create_and_save_shuffle_vector(file_name, shuffle_vector):
         h5f.create_dataset(k,data=v)
     h5f.close()
 
+
 def load_shuffle_vector(file_name):
     h5f = h5py.File(file_name,'r')
     shuffle_vector = h5f['shuffle_vector'][[179859, 385513, 893430]]
@@ -452,6 +457,19 @@ def generate_X_and_y_RAM_efficient(name, split_number):
     h5f.close()
 
 
+# generator for inputs for tracking of data fitting
+def generate_fake_epoch(orig_X, orig_X_additional, orig_y, batch_size):
+    size = orig_X.shape[0]
+    while 1:
+        loc = 0
+        while loc < size:
+            if loc + batch_size >= size:
+                yield([orig_X[loc:size], orig_X_additional[loc:size]], orig_y[loc:size])
+            else:
+                yield([orig_X[loc:loc + batch_size], orig_X_additional[loc:loc + batch_size]], orig_y[loc:loc + batch_size])
+            loc += batch_size
+
+
 # generator for inputs
 def generate_arrays_from_file(path, batch_size):
     h5f = h5py.File(path, 'r')