diff --git a/.idea/UNI_Python.iml b/.idea/UNI_Python.iml
index 71bf193..d599f79 100644
--- a/.idea/UNI_Python.iml
+++ b/.idea/UNI_Python.iml
@@ -2,7 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="C:\ProgramData\anaconda3" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="C:\Users\janni\anaconda3" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/jupyter-settings.xml b/.idea/jupyter-settings.xml
new file mode 100644
index 0000000..fa111dc
--- /dev/null
+++ b/.idea/jupyter-settings.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JupyterPersistentConnectionParameters">
+    <option name="moduleParameters">
+      <map>
+        <entry key="$USER_HOME$/AppData/Local/Temp/01U_Interpolation_A.ipynb/.idea/01U_Interpolation_A.ipynb.iml">
+          <value>
+            <JupyterConnectionParameters>
+              <option name="managed" value="true" />
+              <option name="port" value="8008" />
+            </JupyterConnectionParameters>
+          </value>
+        </entry>
+        <entry key="$USER_HOME$/Nextcloud/_Container/Hausaufgaben/Uebung_Numerik_Prog/.idea/Uebung_Numerik_Prog.iml">
+          <value>
+            <JupyterConnectionParameters>
+              <option name="managed" value="true" />
+              <option name="sdkHomePath" value="C:\Users\janni\AppData\Local\Microsoft\WindowsApps\python3.10.exe" />
+            </JupyterConnectionParameters>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index c20271c..59b5b2e 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="C:\ProgramData\anaconda3" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="C:\Users\janni\anaconda3" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5657272..33d6174 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,19 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
   <component name="ChangeListManager">
     <list default="true" id="c8162e9c-0010-43df-bfbc-c294a3a64a5d" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/UNI_Python.iml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/inspectionProfiles/Project_Default.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/ha_04/loosen_janniclas_1540907_05.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/.gitignore" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/inspectionProfiles/profiles_settings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/inspectionProfiles/profiles_settings.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/jupyter-settings.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/UNI_Python.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/UNI_Python.iml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/python.iml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/rGraphicsSettings.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/rSettings.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/ha_03/loosen_janniclas_1540907_04.py" beforeDir="false" afterPath="$PROJECT_DIR$/ha_03/loosen_janniclas_1540907_04.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/ha_02/loosen_janniclas_1540907_03.py" beforeDir="false" afterPath="$PROJECT_DIR$/ha_02/loosen_janniclas_1540907_03.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -28,23 +23,50 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "SHARE_PROJECT_CONFIGURATION_FILES": "true",
-    "WebServerToolWindowFactoryState": "false",
-    "git-widget-placeholder": "main",
-    "last_opened_file_path": "C:/Universitaet/UNI_Python",
-    "vue.rearranger.settings.migration": "true"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;main&quot;,
+    &quot;last_opened_file_path&quot;: &quot;C:/Universitaet/UNI_Python&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.lookFeel&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
     <key name="MoveFile.RECENT_KEYS">
       <recent name="C:\Universitaet\UNI_Python\ha_04" />
     </key>
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="Python.loosen_janniclas_1540907_03">
+    <configuration name="loosen_janniclas_1540907_03" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+      <module name="UNI_Python" />
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <envs>
+        <env name="PYTHONUNBUFFERED" value="1" />
+      </envs>
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/ha_02" />
+      <option name="IS_MODULE_SDK" value="true" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/ha_02/loosen_janniclas_1540907_03.py" />
+      <option name="PARAMETERS" value="" />
+      <option name="SHOW_COMMAND_LINE" value="false" />
+      <option name="EMULATE_TERMINAL" value="false" />
+      <option name="MODULE_MODE" value="false" />
+      <option name="REDIRECT_INPUT" value="false" />
+      <option name="INPUT_FILE" value="" />
+      <method v="2" />
+    </configuration>
     <configuration name="loosen_janniclas_1540907_05" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="UNI_Python" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -69,6 +91,7 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Python.loosen_janniclas_1540907_03" />
         <item itemvalue="Python.loosen_janniclas_1540907_05" />
       </list>
     </recent_temporary>
@@ -82,6 +105,9 @@
       <option name="presentableId" value="Default" />
       <updated>1701020308079</updated>
       <workItem from="1701020309178" duration="156000" />
+      <workItem from="1701163646587" duration="660000" />
+      <workItem from="1701177311506" duration="2378000" />
+      <workItem from="1701179783052" duration="66000" />
     </task>
     <servers />
   </component>
@@ -89,6 +115,7 @@
     <option name="version" value="3" />
   </component>
   <component name="com.intellij.coverage.CoverageDataManagerImpl">
-    <SUITE FILE_PATH="coverage/UNI_Python$loosen_janniclas_1540907_05.coverage" NAME="loosen_janniclas_1540907_05 Coverage Results" MODIFIED="1701020433859" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/ha_04" />
+    <SUITE FILE_PATH="coverage/UNI_Python$loosen_janniclas_1540907_05.coverage" NAME="loosen_janniclas_1540907_05 Coverage Results" MODIFIED="1701179684140" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/ha_04" />
+    <SUITE FILE_PATH="coverage/UNI_Python$loosen_janniclas_1540907_03.coverage" NAME="loosen_janniclas_1540907_03 Coverage Results" MODIFIED="1701179808579" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/ha_02" />
   </component>
 </project>
\ No newline at end of file
diff --git a/ha_02/loosen_janniclas_1540907_03.py b/ha_02/loosen_janniclas_1540907_03.py
index da9c9e2..e583ce5 100644
--- a/ha_02/loosen_janniclas_1540907_03.py
+++ b/ha_02/loosen_janniclas_1540907_03.py
@@ -4,7 +4,6 @@
 # => This implementation can create 256 different encryption mappings
 import time
 
-
 def shift_cipher(shift):
     codes = {}
     for char_code in range(0, 255):  # all ASCII-letters