diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5c1c2d0..a22380b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,9 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="828778c9-9d97-422f-a727-18ddbd059b85" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/Assiging/feature_hashing.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/field.py" beforeDir="false" afterPath="$PROJECT_DIR$/field.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/shelf.py" beforeDir="false" afterPath="$PROJECT_DIR$/shelf.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/data.py" beforeDir="false" afterPath="$PROJECT_DIR$/data.py" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -28,6 +28,9 @@
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
   <component name="ProjectId" id="1blUxWbA3VMjMFjk8gUnLGMgAoU" />
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
   <component name="PropertiesComponent">
     <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
     <property name="WebServerToolWindowFactoryState" value="false" />
@@ -122,7 +125,7 @@
       <workItem from="1589745409339" duration="739000" />
       <workItem from="1589752301424" duration="1007000" />
       <workItem from="1589753322316" duration="835000" />
-      <workItem from="1589814601057" duration="1397000" />
+      <workItem from="1589814601057" duration="2835000" />
     </task>
     <task id="LOCAL-00001" summary="create Shelf">
       <created>1589815443652</created>
@@ -131,7 +134,14 @@
       <option name="project" value="LOCAL" />
       <updated>1589815443652</updated>
     </task>
-    <option name="localTasksCounter" value="2" />
+    <task id="LOCAL-00002" summary="create addShelf method in Field class">
+      <created>1589816028640</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1589816028640</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -152,7 +162,8 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="create Shelf" />
-    <option name="LAST_COMMIT_MESSAGE" value="create Shelf" />
+    <MESSAGE value="create addShelf method in Field class" />
+    <option name="LAST_COMMIT_MESSAGE" value="create addShelf method in Field class" />
   </component>
   <component name="com.intellij.coverage.CoverageDataManagerImpl">
     <SUITE FILE_PATH="coverage/AL_2020$main.coverage" NAME="main Coverage Results" MODIFIED="1589754127142" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$" />
diff --git a/Assiging/feature_hashing.py b/Assiging/feature_hashing.py
new file mode 100644
index 0000000..b225e0a
--- /dev/null
+++ b/Assiging/feature_hashing.py
@@ -0,0 +1,6 @@
+from sklearn.feature_extraction import FeatureHasher
+from data import create_data_sweets
+
+data = create_data_sweets()
+
+
diff --git a/data.py b/data.py
index 8d55fcd..c101d40 100644
--- a/data.py
+++ b/data.py
@@ -1,7 +1,7 @@
 from sweets import Sweets
 
 
-def createDataSweets():
+def create_data_sweets():
     allProducts = []
 
     sweet = Sweets('Mars', 'czekoladowy', 'baton', 'sredni', 2.49)